diff --git a/.gitignore b/.gitignore
index 29903b8549..8c771d5ef8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,9 +51,10 @@
 /bin/*.exp
 rpcs3/git-version.h
 
-# Visual Studio Profiler Files
+# Visual Studio Files
 *.vspx
 *.psess
+*.VC.*
 
 # Copyrighted files
 /bin/data/
diff --git a/Utilities/VirtualMemory.cpp b/Utilities/VirtualMemory.cpp
index 05614b714b..5a2d00e901 100644
--- a/Utilities/VirtualMemory.cpp
+++ b/Utilities/VirtualMemory.cpp
@@ -1,4 +1,5 @@
 #include "stdafx.h"
+#include "Utilities/Log.h"
 #include "VirtualMemory.h"
 #ifdef _WIN32
 #include <Windows.h>
@@ -15,27 +16,30 @@ namespace memory_helper
 	void* reserve_memory(size_t size)
 	{
 #ifdef _WIN32
-		return VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS);
+		void* ret = VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS);
+		CHECK_ASSERTION(ret != NULL);
 #else
-		return mmap(nullptr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
+		void* ret = mmap(nullptr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
+		CHECK_ASSERTION(ret != 0);
 #endif
+		return ret;
 	}
 
 	void commit_page_memory(void* pointer, size_t page_size)
 	{
 #ifdef _WIN32
-		VirtualAlloc((u8*)pointer, page_size, MEM_COMMIT, PAGE_READWRITE);
+		CHECK_ASSERTION(VirtualAlloc((u8*)pointer, page_size, MEM_COMMIT, PAGE_READWRITE) != NULL);
 #else
-		mprotect((u8*)pointer, page_size, PROT_READ | PROT_WRITE);
+		CHECK_ASSERTION(mprotect((u8*)pointer, page_size, PROT_READ | PROT_WRITE) != -1);
 #endif
 	}
 
 	void free_reserved_memory(void* pointer, size_t size)
 	{
 #ifdef _WIN32
-		VirtualFree(pointer, 0, MEM_RELEASE);
+		CHECK_ASSERTION(VirtualFree(pointer, 0, MEM_RELEASE) != 0);
 #else
-		munmap(pointer, size);
+		CHECK_ASSERTION(munmap(pointer, size) == 0);
 #endif
 	}
 }
diff --git a/Utilities/rPlatform.cpp b/Utilities/rPlatform.cpp
index ba1bee9455..1b21be5b6c 100644
--- a/Utilities/rPlatform.cpp
+++ b/Utilities/rPlatform.cpp
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "restore_new.h"
+#include "Utilities/Log.h"
 #pragma warning(push)
 #pragma message("TODO: remove wx dependency: <wx/image.h>")
 #pragma warning(disable : 4996)
@@ -9,6 +10,7 @@
 
 #ifndef _WIN32
 #include <dirent.h>
+#include <errno.h>
 #endif
 
 #include "rPlatform.h"
@@ -42,7 +44,8 @@ void rImage::SaveFile(const std::string& name, rImageType type)
 std::string rPlatform::getConfigDir()
 {
 	static std::string dir = ".";
-	if (dir == ".") {
+	if (dir == ".")
+	{
 #ifdef _WIN32
 		dir = "";
 		//mkdir(dir.c_str());
@@ -54,7 +57,11 @@ std::string rPlatform::getConfigDir()
 		else // Just in case
 			dir = "./config";
 		dir = dir + "/rpcs3/";
-		mkdir(dir.c_str(), 0777);
+
+		if (mkdir(dir.c_str(), 0777) == -1)
+		{
+			printf("An error occured during the creation of the configuration directory. (%d)", errno);
+		}
 #endif
 	}
 	return dir;
diff --git a/rpcs3/Crypto/lz.cpp b/rpcs3/Crypto/lz.cpp
index f28431fc6e..e2290e3793 100644
--- a/rpcs3/Crypto/lz.cpp
+++ b/rpcs3/Crypto/lz.cpp
@@ -253,11 +253,17 @@ int decompress(unsigned char *out, unsigned char *in, unsigned int size)
 
 				// Underflow.
 				if (buf_start < out)
+				{
+					delete[] tmp;
 					return -1;
+				}
 
 				// Overflow.
 				if (buf_end > end)
+				{
+					delete[] tmp;
 					return -1;
+				}
 
 				// Update offset.
 				offset = ((((int)(buf_end - out)) + 1) & 1) + 6;
diff --git a/rpcs3/Crypto/unedat.cpp b/rpcs3/Crypto/unedat.cpp
index de43050ab5..011e9a701f 100644
--- a/rpcs3/Crypto/unedat.cpp
+++ b/rpcs3/Crypto/unedat.cpp
@@ -164,16 +164,16 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 	unsigned char empty_iv[0x10] = {};
 
 	// Decrypt the metadata.
-	int i;
-	for (i = 0; i < block_num; i++)
+	for (int i = 0; i < block_num; i++)
 	{
 		memset(hash_result, 0, 0x14);
 
 		if ((edat->flags & EDAT_COMPRESSED_FLAG) != 0)
 		{
 			metadata_sec_offset = metadata_offset + (unsigned long long) i * metadata_section_size;
-			in->seek(metadata_sec_offset);
 
+			CHECK_ASSERTION(in->seek(metadata_sec_offset) != -1);
+			
 			unsigned char metadata[0x20];
 			memset(metadata, 0, 0x20);
 			in->read(metadata, 0x20);
@@ -201,7 +201,7 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 		{
 			// If FLAG 0x20, the metadata precedes each data block.
 			metadata_sec_offset = metadata_offset + (unsigned long long) i * (metadata_section_size + length);
-			in->seek(metadata_sec_offset);
+			CHECK_ASSERTION(in->seek(metadata_sec_offset) != -1);
 
 			unsigned char metadata[0x20];
 			memset(metadata, 0, 0x20);
@@ -222,7 +222,7 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 		else
 		{
 			metadata_sec_offset = metadata_offset + (unsigned long long) i * metadata_section_size;
-			in->seek(metadata_sec_offset);
+			CHECK_ASSERTION(in->seek(metadata_sec_offset) != -1);
 
 			in->read(hash_result, 0x10);
 			offset = metadata_offset + (unsigned long long) i * edat->block_size + (unsigned long long) block_num * metadata_section_size;
@@ -244,7 +244,8 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 		memset(hash, 0, 0x10);
 		memset(key_result, 0, 0x10);
 
-		in->seek(offset);
+		CHECK_ASSERTION(in->seek(offset) != -1);
+
 		in->read(enc_data, length);
 
 		// Generate a key for the current block.
@@ -291,7 +292,10 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 			{
 				if (verbose)
 					LOG_WARNING(LOADER, "EDAT: Block at offset 0x%llx has invalid hash!", (u64)offset);
-					
+				
+				delete[] enc_data;
+				delete[] dec_data;
+				delete[] b_key;
 				return 1;
 			}
 		}
@@ -337,6 +341,7 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 
 		delete[] enc_data;
 		delete[] dec_data;
+		delete[] b_key;
 	}
 
 	return 0;
@@ -344,7 +349,7 @@ int decrypt_data(const fs::file* in, const fs::file* out, EDAT_HEADER *edat, NPD
 
 int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs::file* f, bool verbose)
 {
-	f->seek(0);
+	CHECK_ASSERTION(f->seek(0) != -1);
 	unsigned char header[0xA0];
 	unsigned char empty_header[0xA0];
 	unsigned char header_hash[0x10];
@@ -389,7 +394,8 @@ int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs:
 	f->read(header, 0xA0);
 
 	// Read in the header and metadata section hashes.
-	f->seek(0x90);
+	CHECK_ASSERTION(f->seek(0x90) != -1);
+
 	f->read(metadata_hash, 0x10);
 	f->read(header_hash, 0x10);
 
@@ -445,7 +451,7 @@ int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs:
 	while (bytes_to_read > 0)
 	{
 		// Locate the metadata blocks.
-		f->seek(metadata_section_offset);
+		CHECK_ASSERTION(f->seek(metadata_section_offset) != -1);
 
 		// Read in the metadata.
 		f->read(metadata + bytes_read, metadata_section_size);
@@ -492,9 +498,9 @@ int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs:
 
 
 		// Read in the metadata and header signatures.
-		f->seek(0xB0);
+		CHECK_ASSERTION(f->seek(0xB0) != -1);
 		f->read(metadata_signature, 0x28);
-		f->seek(0xD8);
+		CHECK_ASSERTION(f->seek(0xD8) != -1);
 		f->read(header_signature, 0x28);
 
 		// Checking metadata signature.
@@ -510,7 +516,7 @@ int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs:
 			{
 				int metadata_buf_size = block_num * 0x10;
 				unsigned char *metadata_buf = new unsigned char[metadata_buf_size];
-				f->seek(metadata_offset);
+				CHECK_ASSERTION(f->seek(metadata_offset) != -1);
 				f->read(metadata_buf, metadata_buf_size);
 				sha1(metadata_buf, metadata_buf_size, signature_hash);
 				delete[] metadata_buf;
@@ -543,7 +549,7 @@ int check_data(unsigned char *key, EDAT_HEADER *edat, NPD_HEADER *npd, const fs:
 			// Setup header signature hash.
 			memset(signature_hash, 0, 20);
 			unsigned char *header_buf = new unsigned char[0xD8];
-			f->seek(0x00);
+			CHECK_ASSERTION(f->seek(0x00) != -1);
 			f->read(header_buf, 0xD8);
 			sha1(header_buf, 0xD8, signature_hash );
 			delete[] header_buf;
diff --git a/rpcs3/Crypto/unpkg.cpp b/rpcs3/Crypto/unpkg.cpp
index b2400f509a..03168d734c 100644
--- a/rpcs3/Crypto/unpkg.cpp
+++ b/rpcs3/Crypto/unpkg.cpp
@@ -86,7 +86,7 @@ bool UnpackPKG(const fs::file& pkg_f, const std::string& dir, volatile f64& prog
 	// Define decryption subfunction (`psp` arg selects the key for specific block)
 	auto decrypt = [&](u64 offset, u64 size, bool psp) -> u64
 	{
-		pkg_f.seek(start_offset + header.data_offset + offset);
+		CHECK_ASSERTION(pkg_f.seek(start_offset + header.data_offset + offset) != -1);
 
 		// Read the data and set available size
 		const u64 read = pkg_f.read(buf.get(), size);
diff --git a/rpcs3/Crypto/unself.cpp b/rpcs3/Crypto/unself.cpp
index 6f8533c096..c307a9de6b 100644
--- a/rpcs3/Crypto/unself.cpp
+++ b/rpcs3/Crypto/unself.cpp
@@ -698,7 +698,7 @@ SELFDecrypter::SELFDecrypter(vfsStream& s)
 bool SELFDecrypter::LoadHeaders(bool isElf32)
 {
 	// Read SCE header.
-	self_f.Seek(0);
+	CHECK_ASSERTION(self_f.Seek(0) != -1);
 	sce_hdr.Load(self_f);
 
 	// Check SCE magic.
@@ -712,11 +712,12 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 	self_hdr.Load(self_f);
 
 	// Read the APP INFO.
-	self_f.Seek(self_hdr.se_appinfooff);
+	CHECK_ASSERTION(self_f.Seek(self_hdr.se_appinfooff) != -1);
 	app_info.Load(self_f);
 
 	// Read ELF header.
-	self_f.Seek(self_hdr.se_elfoff);
+	CHECK_ASSERTION(self_f.Seek(self_hdr.se_elfoff) != -1);
+
 	if (isElf32)
 		elf32_hdr.Load(self_f);
 	else
@@ -741,13 +742,16 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 	else
 	{
 		phdr64_arr.clear();
-		if(elf64_hdr.e_phoff == 0 && elf64_hdr.e_phnum)
+
+		if (elf64_hdr.e_phoff == 0 && elf64_hdr.e_phnum)
 		{
 			LOG_ERROR(LOADER, "SELF: ELF program header offset is null!");
 			return false;
 		}
-		self_f.Seek(self_hdr.se_phdroff);
-		for(u32 i = 0; i < elf64_hdr.e_phnum; ++i)
+
+		CHECK_ASSERTION(self_f.Seek(self_hdr.se_phdroff) != -1);
+
+		for (u32 i = 0; i < elf64_hdr.e_phnum; ++i)
 		{
 			phdr64_arr.emplace_back();
 			phdr64_arr.back().Load(self_f);
@@ -757,7 +761,7 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 
 	// Read section info.
 	secinfo_arr.clear();
-	self_f.Seek(self_hdr.se_secinfoff);
+	CHECK_ASSERTION(self_f.Seek(self_hdr.se_secinfoff) != -1);
 
 	for(u32 i = 0; i < ((isElf32) ? elf32_hdr.e_phnum : elf64_hdr.e_phnum); ++i)
 	{
@@ -766,12 +770,12 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 	}
 
 	// Read SCE version info.
-	self_f.Seek(self_hdr.se_sceveroff);
+	CHECK_ASSERTION(self_f.Seek(self_hdr.se_sceveroff) != -1);
 	scev_info.Load(self_f);
 
 	// Read control info.
 	ctrlinfo_arr.clear();
-	self_f.Seek(self_hdr.se_controloff);
+	CHECK_ASSERTION(self_f.Seek(self_hdr.se_controloff) != -1);
 
 	u32 i = 0;
 	while(i < self_hdr.se_controlsize)
@@ -786,12 +790,15 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 	if (isElf32)
 	{
 		shdr32_arr.clear();
-		if(elf32_hdr.e_shoff == 0 && elf32_hdr.e_shnum)
+
+		if (elf32_hdr.e_shoff == 0 && elf32_hdr.e_shnum)
 		{
 			LOG_WARNING(LOADER, "SELF: ELF section header offset is null!");
 			return true;
 		}
-		self_f.Seek(self_hdr.se_shdroff);
+
+		CHECK_ASSERTION(self_f.Seek(self_hdr.se_shdroff) != -1);
+
 		for(u32 i = 0; i < elf32_hdr.e_shnum; ++i)
 		{
 			shdr32_arr.emplace_back();
@@ -801,12 +808,14 @@ bool SELFDecrypter::LoadHeaders(bool isElf32)
 	else
 	{
 		shdr64_arr.clear();
-		if(elf64_hdr.e_shoff == 0 && elf64_hdr.e_shnum)
+		if (elf64_hdr.e_shoff == 0 && elf64_hdr.e_shnum)
 		{
 			LOG_WARNING(LOADER, "SELF: ELF section header offset is null!");
 			return true;
 		}
-		self_f.Seek(self_hdr.se_shdroff);
+
+		CHECK_ASSERTION(self_f.Seek(self_hdr.se_shdroff) != -1);
+
 		for(u32 i = 0; i < elf64_hdr.e_shnum; ++i)
 		{
 			shdr64_arr.emplace_back();
@@ -941,11 +950,11 @@ bool SELFDecrypter::LoadMetadata()
 	u8 *metadata_headers = (u8 *)malloc(metadata_headers_size);
 
 	// Locate and read the encrypted metadata info.
-	self_f.Seek(sce_hdr.se_meta + sizeof(sce_hdr));
+	CHECK_ASSERTION(self_f.Seek(sce_hdr.se_meta + sizeof(sce_hdr)) != -1);
 	self_f.Read(metadata_info, metadata_info_size);
 
 	// Locate and read the encrypted metadata header and section header.
-	self_f.Seek(sce_hdr.se_meta + sizeof(sce_hdr) + metadata_info_size);
+	CHECK_ASSERTION(self_f.Seek(sce_hdr.se_meta + sizeof(sce_hdr) + metadata_info_size) != -1);
 	self_f.Read(metadata_headers, metadata_headers_size);
 
 	// Find the right keyset from the key vault.
@@ -1048,7 +1057,7 @@ bool SELFDecrypter::DecryptData()
 				u8 *buf = (u8 *)malloc(meta_shdr[i].data_size);
 
 				// Seek to the section data offset and read the encrypted data.
-				self_f.Seek(meta_shdr[i].data_offset);
+				CHECK_ASSERTION(self_f.Seek(meta_shdr[i].data_offset) != -1);
 				self_f.Read(buf, meta_shdr[i].data_size);
 
 				// Zero out our ctr nonce.
@@ -1077,7 +1086,7 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 {
 	// Create a new ELF file.
 	fs::file e(elf, fom::write | fom::create | fom::trunc);
-	if(!e)
+	if (!e)
 	{
 		LOG_ERROR(LOADER, "Could not create ELF file! (%s)", elf.c_str());
 		return false;
@@ -1092,8 +1101,10 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 		WriteEhdr(e, elf32_hdr);
 
 		// Write program headers.
-		for(u32 i = 0; i < elf32_hdr.e_phnum; ++i)
+		for (u32 i = 0; i < elf32_hdr.e_phnum; ++i)
+		{
 			WritePhdr(e, phdr32_arr[i]);
+		}
 
 		for (unsigned int i = 0; i < meta_hdr.section_count; i++)
 		{
@@ -1101,7 +1112,8 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 			if (meta_shdr[i].type == 2)
 			{
 				// Seek to the program header data offset and write the data.
-				e.seek(phdr32_arr[meta_shdr[i].program_idx].p_offset);
+				CHECK_ASSERTION(e.seek(phdr32_arr[meta_shdr[i].program_idx].p_offset) != -1);
+
 				e.write(data_buf + data_buf_offset, meta_shdr[i].data_size);
 
 				// Advance the data buffer offset by data size.
@@ -1110,12 +1122,14 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 		}
 
 		// Write section headers.
-		if(self_hdr.se_shdroff != 0)
+		if (self_hdr.se_shdroff != 0)
 		{
-			e.seek(elf32_hdr.e_shoff);
+			CHECK_ASSERTION(e.seek(elf32_hdr.e_shoff) != -1);
 
-			for(u32 i = 0; i < elf32_hdr.e_shnum; ++i)
+			for (u32 i = 0; i < elf32_hdr.e_shnum; ++i)
+			{
 				WriteShdr(e, shdr32_arr[i]);
+			}
 		}
 	}
 	else
@@ -1124,8 +1138,10 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 		WriteEhdr(e, elf64_hdr);
 
 		// Write program headers.
-		for(u32 i = 0; i < elf64_hdr.e_phnum; ++i)
+		for (u32 i = 0; i < elf64_hdr.e_phnum; ++i)
+		{
 			WritePhdr(e, phdr64_arr[i]);
+		}
 
 		// Write data.
 		for (unsigned int i = 0; i < meta_hdr.section_count; i++)
@@ -1152,7 +1168,9 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 					decomp_stream_out.CopyTo(decomp_buf, phdr64_arr[meta_shdr[i].program_idx].p_filesz);
 
 					// Seek to the program header data offset and write the data.
-					e.seek(phdr64_arr[meta_shdr[i].program_idx].p_offset);
+
+					CHECK_ASSERTION(e.seek(phdr64_arr[meta_shdr[i].program_idx].p_offset) != -1);
+
 					e.write(decomp_buf, phdr64_arr[meta_shdr[i].program_idx].p_filesz);
 
 					// Release the decompression buffer.
@@ -1161,7 +1179,8 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 				else
 				{
 					// Seek to the program header data offset and write the data.
-					e.seek(phdr64_arr[meta_shdr[i].program_idx].p_offset);
+					CHECK_ASSERTION(e.seek(phdr64_arr[meta_shdr[i].program_idx].p_offset) != -1);
+					
 					e.write(data_buf + data_buf_offset, meta_shdr[i].data_size);
 				}
 
@@ -1171,12 +1190,14 @@ bool SELFDecrypter::MakeElf(const std::string& elf, bool isElf32)
 		}
 
 		// Write section headers.
-		if(self_hdr.se_shdroff != 0)
+		if (self_hdr.se_shdroff != 0)
 		{
-			e.seek(elf64_hdr.e_shoff);
+			CHECK_ASSERTION(e.seek(elf64_hdr.e_shoff) != -1);
 
-			for(u32 i = 0; i < elf64_hdr.e_shnum; ++i)
+			for (u32 i = 0; i < elf64_hdr.e_shnum; ++i)
+			{
 				WriteShdr(e, shdr64_arr[i]);
+			}
 		}
 	}
 
@@ -1246,7 +1267,9 @@ bool IsSelfElf32(const std::string& path)
 	
 	// Locate the class byte and check it.
 	u8 elf_class[0x8];
-	f.Seek(sh.se_elfoff);
+
+	CHECK_ASSERTION(f.Seek(sh.se_elfoff) != -1);
+
 	f.Read(elf_class, 0x8);
 
 	return (elf_class[4] == 1);
@@ -1257,34 +1280,37 @@ bool CheckDebugSelf(const std::string& self, const std::string& elf)
 	// Open the SELF file.
 	fs::file s(self);
 
-	if(!s)
+	if (!s)
 	{
 		LOG_ERROR(LOADER, "Could not open SELF file! (%s)", self.c_str());
 		return false;
 	}
 
 	// Get the key version.
-	s.seek(0x08);
+	CHECK_ASSERTION(s.seek(0x08) != -1);
+
 	u16 key_version;
 	s.read(&key_version, sizeof(key_version));
 
 	// Check for DEBUG version.
-	if(swap16(key_version) == 0x8000)
+	if (swap16(key_version) == 0x8000)
 	{
 		LOG_WARNING(LOADER, "Debug SELF detected! Removing fake header...");
 
 		// Get the real elf offset.
-		s.seek(0x10);
+		CHECK_ASSERTION(s.seek(0x10) != -1);
+
 		u64 elf_offset;
 		s.read(&elf_offset, sizeof(elf_offset));
 
 		// Start at the real elf offset.
 		elf_offset = swap64(elf_offset);
-		s.seek(elf_offset);
+
+		CHECK_ASSERTION(s.seek(elf_offset) != -1);
 
 		// Write the real ELF file back.
 		fs::file e(elf, fom::write | fom::create | fom::trunc);
-		if(!e)
+		if (!e)
 		{
 			LOG_ERROR(LOADER, "Could not create ELF file! (%s)", elf.c_str());
 			return false;
@@ -1293,7 +1319,9 @@ bool CheckDebugSelf(const std::string& self, const std::string& elf)
 		// Copy the data.
 		char buf[2048];
 		while (ssize_t size = s.read(buf, 2048))
+		{
 			e.write(buf, size);
+		}
 
 		return true;
 	}
diff --git a/rpcs3/Crypto/utils.cpp b/rpcs3/Crypto/utils.cpp
index 2cba01afb8..079d84edae 100644
--- a/rpcs3/Crypto/utils.cpp
+++ b/rpcs3/Crypto/utils.cpp
@@ -96,6 +96,7 @@ void hex_to_bytes(unsigned char *data, const char *hex_str, unsigned int str_len
 
 		// Copy back to our array.
 		memcpy(data, out, data_length);
+		free(out);
 	}
 }
 
diff --git a/rpcs3/Emu/HDD/HDD.cpp b/rpcs3/Emu/HDD/HDD.cpp
index 0faf654618..769f2ebf43 100644
--- a/rpcs3/Emu/HDD/HDD.cpp
+++ b/rpcs3/Emu/HDD/HDD.cpp
@@ -47,7 +47,9 @@ void vfsHDDManager::CreateHDD(const std::string& path, u64 size, u64 block_size)
 	}
 
 	u8 null = 0;
-	f.seek(hdr.block_count * hdr.block_size - sizeof(null));
+
+	CHECK_ASSERTION(f.seek(hdr.block_count * hdr.block_size - sizeof(null)) != -1);
+	
 	f.write(&null, sizeof(null));
 }
 
@@ -68,17 +70,19 @@ bool vfsHDDFile::goto_block(u64 n)
 		return false;
 	}
 
-	m_hdd.Seek(m_info.data_block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(m_info.data_block * m_hdd_info.block_size) != -1);
+
 	block_info.next_block = m_info.data_block;
 
-	for (u64 i = 0; i<n; ++i)
+	for (u64 i = 0; i < n; ++i)
 	{
 		if (!block_info.next_block || !block_info.is_used || block_info.next_block >= m_hdd_info.block_count)
 		{
 			return false;
 		}
 
-		m_hdd.Seek(block_info.next_block * m_hdd_info.block_size);
+		CHECK_ASSERTION(m_hdd.Seek(block_info.next_block * m_hdd_info.block_size) != -1);
+
 		m_hdd.Read(&block_info, sizeof(vfsHDD_Block));
 	}
 
@@ -101,31 +105,36 @@ void vfsHDDFile::RemoveBlocks(u64 start_block)
 
 void vfsHDDFile::WriteBlock(u64 block, const vfsHDD_Block& data)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Write(&data, sizeof(vfsHDD_Block));
 }
 
 void vfsHDDFile::ReadBlock(u64 block, vfsHDD_Block& data)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Read(&data, sizeof(vfsHDD_Block));
 }
 
 void vfsHDDFile::WriteEntry(u64 block, const vfsHDD_Entry& data)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Write(&data, sizeof(vfsHDD_Entry));
 }
 
 void vfsHDDFile::ReadEntry(u64 block, vfsHDD_Entry& data)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Read(&data, sizeof(vfsHDD_Entry));
 }
 
 void vfsHDDFile::ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Read(&data, sizeof(vfsHDD_Entry));
 	name.resize(GetMaxNameLen());
 	m_hdd.Read(&name.front(), GetMaxNameLen());
@@ -133,14 +142,16 @@ void vfsHDDFile::ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 
 void vfsHDDFile::ReadEntry(u64 block, std::string& name)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry));
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry)) != -1);
+	
 	name.resize(GetMaxNameLen());
 	m_hdd.Read(&name.front(), GetMaxNameLen());
 }
 
 void vfsHDDFile::WriteEntry(u64 block, const vfsHDD_Entry& data, const std::string& name)
 {
-	m_hdd.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd.Write(&data, sizeof(vfsHDD_Entry));
 	m_hdd.Write(name.c_str(), std::min<size_t>(GetMaxNameLen() - 1, name.length() + 1));
 }
@@ -157,7 +168,7 @@ u64 vfsHDDFile::FindFreeBlock()
 {
 	vfsHDD_Block block_info;
 
-	for (u64 i = 0; i<m_hdd_info.block_count; ++i)
+	for (u64 i = 0; i < m_hdd_info.block_count; ++i)
 	{
 		ReadBlock(i, block_info);
 
@@ -183,7 +194,10 @@ bool vfsHDDFile::Seek(u64 pos)
 
 void vfsHDDFile::SaveInfo()
 {
-	m_hdd.Seek(m_info_block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd.Seek(m_info_block * m_hdd_info.block_size) != -1);
+
+	CHECK_ASSERTION(m_hdd.Seek(m_info_block * m_hdd_info.block_size) != -1);
+
 	m_hdd.Write(&m_info, sizeof(vfsHDD_Entry));
 }
 
@@ -198,9 +212,13 @@ u64 vfsHDDFile::Read(void* dst, u64 size)
 	u64 rsize = std::min<u64>(block_size - m_position, size);
 
 	vfsHDD_Block cur_block_info;
-	m_hdd.Seek(m_cur_block * m_hdd_info.block_size);
+	
+	CHECK_ASSERTION(m_hdd.Seek(m_cur_block * m_hdd_info.block_size) != -1);
+
 	m_hdd.Read(&cur_block_info, sizeof(vfsHDD_Block));
-	m_hdd.Seek(m_cur_block * m_hdd_info.block_size + sizeof(vfsHDD_Block)+m_position);
+	
+	CHECK_ASSERTION(m_hdd.Seek(m_cur_block * m_hdd_info.block_size + sizeof(vfsHDD_Block) + m_position) != -1);
+
 	m_hdd.Read(dst, rsize);
 	size -= rsize;
 	m_position += rsize;
@@ -221,7 +239,8 @@ u64 vfsHDDFile::Read(void* dst, u64 size)
 		m_cur_block = cur_block_info.next_block;
 		rsize = std::min<u64>(block_size, size);
 
-		m_hdd.Seek(cur_block_info.next_block * m_hdd_info.block_size);
+		CHECK_ASSERTION(m_hdd.Seek(cur_block_info.next_block * m_hdd_info.block_size) != -1);
+
 		m_hdd.Read(&cur_block_info, sizeof(vfsHDD_Block));
 
 		if (m_hdd.Read((u8*)dst + offset, rsize) != rsize)
@@ -272,7 +291,8 @@ u64 vfsHDDFile::Write(const void* src, u64 size)
 
 	if (wsize)
 	{
-		m_hdd.Seek(m_cur_block * m_hdd_info.block_size + sizeof(vfsHDD_Block)+m_position);
+		CHECK_ASSERTION(m_hdd.Seek(m_cur_block * m_hdd_info.block_size + sizeof(vfsHDD_Block) + m_position) != -1);
+
 		m_hdd.Write(src, wsize);
 		size -= wsize;
 		m_info.size += wsize;
@@ -302,7 +322,9 @@ u64 vfsHDDFile::Write(const void* src, u64 size)
 		wsize = std::min<u64>(block_size, size);
 
 		block_info.next_block = m_cur_block;
-		m_hdd.Seek(last_block * m_hdd_info.block_size);
+		
+		CHECK_ASSERTION(m_hdd.Seek(last_block * m_hdd_info.block_size) != -1);
+
 		if (m_hdd.Write(&block_info, sizeof(vfsHDD_Block)) != sizeof(vfsHDD_Block))
 		{
 			m_position = 0;
@@ -311,13 +333,16 @@ u64 vfsHDDFile::Write(const void* src, u64 size)
 		}
 
 		block_info.next_block = 0;
-		m_hdd.Seek(m_cur_block * m_hdd_info.block_size);
+
+		CHECK_ASSERTION(m_hdd.Seek(m_cur_block * m_hdd_info.block_size) != -1);
+
 		if (m_hdd.Write(&block_info, sizeof(vfsHDD_Block)) != sizeof(vfsHDD_Block))
 		{
 			m_position = 0;
 			SaveInfo();
 			return offset;
 		}
+
 		if ((m_position = m_hdd.Write((u8*)src + offset, wsize)) != wsize)
 		{
 			m_info.size += wsize;
@@ -361,7 +386,9 @@ vfsHDD::vfsHDD(vfsDevice* device, const std::string& hdd_path)
 		LOG_ERROR(HLE, "Bad block size!");
 		m_hdd_info.block_size = 2048;
 	}
-	m_hdd_file.Seek(m_cur_dir_block * m_hdd_info.block_size);
+
+	CHECK_ASSERTION(m_hdd_file.Seek(m_cur_dir_block * m_hdd_info.block_size) != -1);
+	
 	m_hdd_file.Read(&m_cur_dir, sizeof(vfsHDD_Entry));
 }
 
@@ -392,18 +419,25 @@ bool vfsHDD::SearchEntry(const std::string& name, u64& entry_block, u64* parent_
 	return false;
 }
 
-int vfsHDD::OpenDir(const std::string& name)
+s32 vfsHDD::OpenDir(const std::string& name)
 {
 	LOG_WARNING(HLE, "OpenDir(%s)", name.c_str());
 	u64 entry_block;
-	if (!SearchEntry(name, entry_block))
-		return -1;
 
-	m_hdd_file.Seek(entry_block * m_hdd_info.block_size);
+	if (!SearchEntry(name, entry_block))
+	{
+		return -1;
+	}
+
+	CHECK_ASSERTION(m_hdd_file.Seek(entry_block * m_hdd_info.block_size) != -1);
+	
 	vfsHDD_Entry entry;
 	m_hdd_file.Read(&entry, sizeof(vfsHDD_Entry));
+
 	if (entry.type == vfsHDD_Entry_File)
+	{
 		return 1;
+	}
 
 	m_cur_dir_block = entry.data_block;
 	ReadEntry(m_cur_dir_block, m_cur_dir);
@@ -430,7 +464,7 @@ u64 vfsHDD::FindFreeBlock()
 {
 	vfsHDD_Block block_info;
 
-	for (u64 i = 0; i<m_hdd_info.block_count; ++i)
+	for (u64 i = 0; i < m_hdd_info.block_count; ++i)
 	{
 		ReadBlock(i, block_info);
 
@@ -445,31 +479,36 @@ u64 vfsHDD::FindFreeBlock()
 
 void vfsHDD::WriteBlock(u64 block, const vfsHDD_Block& data)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd_file.Write(&data, sizeof(vfsHDD_Block));
 }
 
 void vfsHDD::ReadBlock(u64 block, vfsHDD_Block& data)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd_file.Read(&data, sizeof(vfsHDD_Block));
 }
 
 void vfsHDD::WriteEntry(u64 block, const vfsHDD_Entry& data)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd_file.Write(&data, sizeof(vfsHDD_Entry));
 }
 
 void vfsHDD::ReadEntry(u64 block, vfsHDD_Entry& data)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+
 	m_hdd_file.Read(&data, sizeof(vfsHDD_Entry));
 }
 
 void vfsHDD::ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+
 	m_hdd_file.Read(&data, sizeof(vfsHDD_Entry));
 	name.resize(GetMaxNameLen());
 	m_hdd_file.Read(&name.front(), GetMaxNameLen());
@@ -477,14 +516,16 @@ void vfsHDD::ReadEntry(u64 block, vfsHDD_Entry& data, std::string& name)
 
 void vfsHDD::ReadEntry(u64 block, std::string& name)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry));
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size + sizeof(vfsHDD_Entry)) != -1);
+	
 	name.resize(GetMaxNameLen());
 	m_hdd_file.Read(&name.front(), GetMaxNameLen());
 }
 
 void vfsHDD::WriteEntry(u64 block, const vfsHDD_Entry& data, const std::string& name)
 {
-	m_hdd_file.Seek(block * m_hdd_info.block_size);
+	CHECK_ASSERTION(m_hdd_file.Seek(block * m_hdd_info.block_size) != -1);
+	
 	m_hdd_file.Write(&data, sizeof(vfsHDD_Entry));
 	m_hdd_file.Write(name.c_str(), std::min<size_t>(GetMaxNameLen() - 1, name.length() + 1));
 }
@@ -619,13 +660,13 @@ bool vfsHDD::Open(const std::string& path, u32 mode)
 			{
 				if (pos - from > 1)
 				{
-					int res = OpenDir(std::string(s + from, pos));
+					s32 res = OpenDir(std::string(s + from, pos));
+
 					if (res == -1)
 					{
 						return false;
 					}
-
-					if (res == 1)
+					else if (res == 1)
 					{
 						file_pos = from;
 					}
diff --git a/rpcs3/Emu/HDD/HDD.h b/rpcs3/Emu/HDD/HDD.h
index 5a81b3ea5a..9bbc651f23 100644
--- a/rpcs3/Emu/HDD/HDD.h
+++ b/rpcs3/Emu/HDD/HDD.h
@@ -156,7 +156,7 @@ public:
 
 	bool SearchEntry(const std::string& name, u64& entry_block, u64* parent_block = nullptr);
 
-	int OpenDir(const std::string& name);
+	s32 OpenDir(const std::string& name);
 
 	bool Rename(const std::string& from, const std::string& to);
 
diff --git a/rpcs3/Emu/Io/MouseHandler.h b/rpcs3/Emu/Io/MouseHandler.h
index 2e6167b676..9eba9c6ba0 100644
--- a/rpcs3/Emu/Io/MouseHandler.h
+++ b/rpcs3/Emu/Io/MouseHandler.h
@@ -92,6 +92,8 @@ struct Mouse
 		: m_data()
 		, m_rawdata()
 	{
+		x_pos = 0;
+		y_pos = 0;
 	}
 };
 
diff --git a/rpcs3/Emu/Memory/MemoryBlock.h b/rpcs3/Emu/Memory/MemoryBlock.h
index 75a1cc8b52..113f4835d1 100644
--- a/rpcs3/Emu/Memory/MemoryBlock.h
+++ b/rpcs3/Emu/Memory/MemoryBlock.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "Utilities/Log.h"
+
 struct MemInfo
 {
 	u32 addr;
@@ -82,7 +84,13 @@ public:
 	u32 RealAddr(u32 addr)
 	{
 		u32 realAddr = 0;
-		getRealAddr(addr, realAddr);
+
+		if (!getRealAddr(addr, realAddr))
+		{
+			LOG_ERROR(HLE, "Getting the real address failed. (addr=0x%x)", addr);
+			return 0;
+		}
+
 		return realAddr;
 	}
 
diff --git a/rpcs3/Emu/RSX/CgBinaryVertexProgram.cpp b/rpcs3/Emu/RSX/CgBinaryVertexProgram.cpp
index 71c8dbe0fe..44a11f338a 100644
--- a/rpcs3/Emu/RSX/CgBinaryVertexProgram.cpp
+++ b/rpcs3/Emu/RSX/CgBinaryVertexProgram.cpp
@@ -116,7 +116,7 @@ std::string CgBinaryDisasm::GetSRCDisasm(const u32 n)
 
 	if (swizzle != f) ret += '.' + swizzle;
 
-	bool abs;
+	bool abs = false;
 
 	switch (n)
 	{
diff --git a/rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp b/rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
index 4829fc0747..e8348420c3 100644
--- a/rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
+++ b/rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
@@ -291,6 +291,7 @@ template<typename T> std::string FragmentProgramDecompiler::GetSRC(T src)
 
 	case 3: // ??? Used by a few games, what is it?
 		LOG_ERROR(RSX, "Src type 3 used, please report this to a developer.");
+		break;
 
 	default:
 		LOG_ERROR(RSX, "Bad src type %d", u32{ src.reg_type });
diff --git a/rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp b/rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
index dd47e05978..585931c544 100644
--- a/rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
+++ b/rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
@@ -108,7 +108,7 @@ std::string VertexProgramDecompiler::GetSRC(const u32 n)
 
 	if (swizzle != f) ret += '.' + swizzle;
 
-	bool abs;
+	bool abs = false;
 
 	switch (n)
 	{
diff --git a/rpcs3/Emu/SysCalls/Modules/cellFs.cpp b/rpcs3/Emu/SysCalls/Modules/cellFs.cpp
index c2c36a3c81..232771d4b6 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellFs.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellFs.cpp
@@ -265,11 +265,11 @@ s32 cellFsReadWithOffset(u32 fd, u64 offset, vm::ptr<void> buf, u64 buffer_size,
 
 	const auto old_position = file->file->Tell();
 
-	file->file->Seek(offset);
+	CHECK_ASSERTION(file->file->Seek(offset) != -1);
 
 	const auto read = file->file->Read(buf.get_ptr(), buffer_size);
 
-	file->file->Seek(old_position);
+	CHECK_ASSERTION(file->file->Seek(old_position) != -1);
 
 	if (nread)
 	{
@@ -296,11 +296,11 @@ s32 cellFsWriteWithOffset(u32 fd, u64 offset, vm::cptr<void> buf, u64 data_size,
 
 	const auto old_position = file->file->Tell();
 
-	file->file->Seek(offset);
+	CHECK_ASSERTION(file->file->Seek(offset) != -1);
 
 	const auto written = file->file->Write(buf.get_ptr(), data_size);
 
-	file->file->Seek(old_position);
+	CHECK_ASSERTION(file->file->Seek(old_position) != -1);
 
 	if (nwrite)
 	{
@@ -508,9 +508,9 @@ s32 cellFsStReadStart(u32 fd, u64 offset, u64 size)
 
 				// read data
 				auto old = file->file->Tell();
-				file->file->Seek(offset + file->st_total_read);
+				CHECK_ASSERTION(file->file->Seek(offset + file->st_total_read) != -1);
 				auto res = file->file->Read(vm::base(position), file->st_block_size);
-				file->file->Seek(old);
+				CHECK_ASSERTION(file->file->Seek(old) != -1);
 
 				// notify
 				file->st_total_read += res;
@@ -803,17 +803,27 @@ s32 sdata_unpack(const std::string& packed_file, const std::string& unpacked_fil
 		}
 
 		if (flags & 0x20)
-			packed_stream->Seek(0x100);
+		{
+			CHECK_ASSERTION(packed_stream->Seek(0x100) != -1);
+		}
 		else
-			packed_stream->Seek(startOffset);
+		{
+			CHECK_ASSERTION(packed_stream->Seek(startOffset) != -1);
+		}
 
 		for (u32 i = 0; i < blockCount; i++)
 		{
 			if (flags & 0x20)
-				packed_stream->Seek(packed_stream->Tell() + t1);
+			{
+				s64 cur;
+				CHECK_ASSERTION((cur = packed_stream->Tell()) != -1);
+				CHECK_ASSERTION(packed_stream->Seek(cur + t1) != -1);
+			}
 
 			if (!(blockCount - i - 1))
+			{
 				blockSize = (u32)(filesizeOutput - i * blockSize);
+			}
 
 			packed_stream->Read(buffer + 256, blockSize);
 			unpacked_stream->Write(buffer + 256, blockSize);
@@ -883,11 +893,11 @@ void fsAio(vm::ptr<CellFsAio> aio, bool write, s32 xid, fs_aio_cb_t func)
 
 		const auto old_position = file->file->Tell();
 
-		file->file->Seek(aio->offset);
+		CHECK_ASSERTION(file->file->Seek(aio->offset) != -1);
 
 		result = write ? file->file->Write(aio->buf.get_ptr(), aio->size) : file->file->Read(aio->buf.get_ptr(), aio->size);
 
-		file->file->Seek(old_position);
+		CHECK_ASSERTION(file->file->Seek(old_position) != -1);
 	}
 
 	// should be executed directly by FS AIO thread
diff --git a/rpcs3/Emu/SysCalls/Modules/cellNetCtl.cpp b/rpcs3/Emu/SysCalls/Modules/cellNetCtl.cpp
index ec9b8de301..6a212017ff 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellNetCtl.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellNetCtl.cpp
@@ -123,7 +123,7 @@ s32 cellNetCtlGetInfo(s32 code, vm::ptr<CellNetCtlInfo> info)
 		free(pAddresses);
 #else
 		struct ifaddrs *ifaddr, *ifa;
-		int family, n;
+		s32 family, n;
 
 		if (getifaddrs(&ifaddr) == -1)
 		{
@@ -146,9 +146,7 @@ s32 cellNetCtlGetInfo(s32 code, vm::ptr<CellNetCtlInfo> info)
 
 			if (family == AF_INET)
 			{
-				s32 fd, status;
-
-				fd = open("/proc/net/dev", O_RDONLY);
+				u32 fd = open("/proc/net/dev", O_RDONLY);
 				struct ifreq freq;
 
 				if (ioctl(fd, SIOCGIFMTU, &freq) == -1)
@@ -212,7 +210,7 @@ s32 cellNetCtlGetInfo(s32 code, vm::ptr<CellNetCtlInfo> info)
 		free(pAdapterInfo);
 #else
 		struct ifaddrs *ifaddr, *ifa;
-		int family, n;
+		s32 family, n;
 
 		if (getifaddrs(&ifaddr) == -1)
 		{
@@ -293,7 +291,7 @@ s32 cellNetCtlGetInfo(s32 code, vm::ptr<CellNetCtlInfo> info)
 		free(pAdapterInfo);
 #else
 		struct ifaddrs *ifaddr, *ifa;
-		int family, n;
+		s32 family, n;
 
 		if (getifaddrs(&ifaddr) == -1)
 		{
diff --git a/rpcs3/Emu/SysCalls/Modules/cellResc.cpp b/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
index 6d47658569..03812a55cf 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellResc.cpp
@@ -351,7 +351,7 @@ s32 CalculateMaxColorBuffersSize()
 	{
 		if (s_rescInternalInstance->m_initConfig.supportModes & bufMode) 
 		{
-			oneBufSize   = CalculateSurfaceByteSize(bufMode, &(s_rescInternalInstance->m_rescDsts[GetRescDestsIndex(bufMode)]));
+			oneBufSize = CalculateSurfaceByteSize(bufMode, &(s_rescInternalInstance->m_rescDsts[GetRescDestsIndex(bufMode)]));
 			bufNum       = cellRescGetNumColorBuffers(bufMode, s_rescInternalInstance->m_initConfig.palTemporalMode, 0);
 			totalBufSize = oneBufSize * bufNum;
 			maxBufSize   = (maxBufSize > totalBufSize) ? maxBufSize : totalBufSize;
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSail.cpp b/rpcs3/Emu/SysCalls/Modules/cellSail.cpp
index 1699b7ebb5..f9a28b7bd6 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSail.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSail.cpp
@@ -866,7 +866,8 @@ s32 cellSailPlayerRemoveDescriptor(vm::ptr<CellSailPlayer> pSelf, vm::ptr<CellSa
 	if (pSelf->descriptors > 0)
 	{
 		ppDesc = pSelf->registeredDescriptors[pSelf->descriptors];
-		delete &pSelf->registeredDescriptors[pSelf->descriptors];
+		// TODO: Figure out how properly free a descriptor. Use game specified memory dealloc function?
+		//delete &pSelf->registeredDescriptors[pSelf->descriptors];
 		pSelf->descriptors--;
 	}
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp b/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
index d99d2a9545..6fa6b7ab35 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSysutil.cpp
@@ -224,8 +224,8 @@ s32 cellSysCacheMount(vm::ptr<CellSysCacheParam> param)
 	cellSysutil.Warning("cellSysCacheMount(param=*0x%x)", param);
 
 	// TODO: implement
-	char id[CELL_SYSCACHE_ID_SIZE];
-	strncpy(id, param->cacheId, CELL_SYSCACHE_ID_SIZE);
+	char id[CELL_SYSCACHE_ID_SIZE] = { '\0' };
+	strncpy(id, param->cacheId, CELL_SYSCACHE_ID_SIZE - 1);
 	strncpy(param->getCachePath, ("/dev_hdd1/cache/"s + id + "/").c_str(), CELL_SYSCACHE_PATH_MAX);
 	param->getCachePath[CELL_SYSCACHE_PATH_MAX - 1] = '\0';
 	Emu.GetVFS().CreateDir(param->getCachePath);
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index 1299703045..25d063377e 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -48,6 +48,7 @@ Emulator::Emulator()
 	: m_status(Stopped)
 	, m_mode(DisAsm)
 	, m_rsx_callback(0)
+	, m_cpu_thr_stop(0)
 	, m_thread_manager(new CPUThreadManager())
 	, m_pad_manager(new PadManager())
 	, m_keyboard_manager(new KeyboardManager())
@@ -453,6 +454,7 @@ void Emulator::Stop()
 	}
 
 	m_rsx_callback = 0;
+	m_cpu_thr_stop = 0;
 
 	// TODO: check finalization order
 
diff --git a/rpcs3/Gui/AutoPauseManager.cpp b/rpcs3/Gui/AutoPauseManager.cpp
index 6e31e05f77..fd3abd43a1 100644
--- a/rpcs3/Gui/AutoPauseManager.cpp
+++ b/rpcs3/Gui/AutoPauseManager.cpp
@@ -79,7 +79,7 @@ void AutoPauseManagerDialog::LoadEntries(void)
 		u32 num;
 		size_t fmax = list.size();
 		size_t fcur = 0;
-		list.seek(0);
+		CHECK_ASSERTION(list.seek(0) != -1);
 		while (fcur <= fmax - sizeof(u32))
 		{
 			list.read(&num, sizeof(u32));
@@ -99,7 +99,7 @@ void AutoPauseManagerDialog::SaveEntries(void)
 	fs::file list("pause.bin", fom::write | fom::create | fom::trunc);
 	//System calls ID and Function calls ID are all u32 iirc.
 	u32 num = 0;
-	list.seek(0);
+	CHECK_ASSERTION(list.seek(0) != -1);
 	for (size_t i = 0; i < m_entries.size(); ++i)
 	{
 		if (num == 0xFFFFFFFF) continue;
diff --git a/rpcs3/Gui/GSFrame.h b/rpcs3/Gui/GSFrame.h
index b39ff860fe..4fa0f52560 100644
--- a/rpcs3/Gui/GSFrame.h
+++ b/rpcs3/Gui/GSFrame.h
@@ -3,7 +3,7 @@
 
 class GSFrame : public wxFrame, public GSFrameBase
 {
-	u64 m_frames;
+	u64 m_frames = 0;
 
 public:
 	GSFrame(const wxString& title);
diff --git a/rpcs3/Gui/MainFrame.cpp b/rpcs3/Gui/MainFrame.cpp
index 46158a53df..5d5c96e546 100644
--- a/rpcs3/Gui/MainFrame.cpp
+++ b/rpcs3/Gui/MainFrame.cpp
@@ -262,7 +262,9 @@ void MainFrame::InstallPkg(wxCommandEvent& WXUNUSED(event))
 
 	// Fetch title ID from the header
 	char title_id[10] = "?????????";
-	pkg_f.seek(55);
+
+	CHECK_ASSERTION(pkg_f.seek(55) != -1);
+
 	pkg_f.read(title_id, 9);
 	pkg_f.seek(0);