diff --git a/Common/FileUtil.cpp b/Common/FileUtil.cpp
index 3bebbe77f..8ba82fa90 100644
--- a/Common/FileUtil.cpp
+++ b/Common/FileUtil.cpp
@@ -335,6 +335,8 @@ bool Copy(const std::string &srcFilename, const std::string &destFilename)
 				ERROR_LOG(COMMON, 
 						"Copy: failed reading from source, %s --> %s: %s", 
 						srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
+				fclose(input);
+				fclose(output);		
 				return false;
 			}
 		}
@@ -346,6 +348,8 @@ bool Copy(const std::string &srcFilename, const std::string &destFilename)
 			ERROR_LOG(COMMON, 
 					"Copy: failed writing to output, %s --> %s: %s", 
 					srcFilename.c_str(), destFilename.c_str(), GetLastErrorMsg());
+			fclose(input);
+			fclose(output);				
 			return false;
 		}
 	}
diff --git a/Core/HLE/sceIo.cpp b/Core/HLE/sceIo.cpp
index 2523539a0..cd39374d6 100644
--- a/Core/HLE/sceIo.cpp
+++ b/Core/HLE/sceIo.cpp
@@ -220,7 +220,7 @@ u32 sceKernelStderr() {
 }
 
 void __IoCompleteAsyncIO(SceUID id) {
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		if (f->callbackID) {
@@ -267,7 +267,7 @@ u32 sceIoRead(int id, u32 data_addr, int size) {
 		return 0; //stdin
 	}
 
-	u32 error;
+	u32 error = 0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		if (data_addr) {
@@ -303,7 +303,7 @@ u32 sceIoWrite(int id, void *data_ptr, int size) //(int fd, void *data, int size
 		str[size] = temp;
 		return size;
 	}
-	u32 error;
+	u32 error = 0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		u8 *data = (u8*) data_ptr;
@@ -316,7 +316,7 @@ u32 sceIoWrite(int id, void *data_ptr, int size) //(int fd, void *data, int size
 }
 
 s64 sceIoLseek(int id, s64 offset, int whence) {
-	u32 error;
+	u32 error = 0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		FileMove seek = FILEMOVE_BEGIN;
@@ -344,7 +344,7 @@ s64 sceIoLseek(int id, s64 offset, int whence) {
 }
 
 u32 sceIoLseek32(int id, int offset, int whence) {
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		DEBUG_LOG(HLE, "sceIoLseek32(%d,%08x,%i)", id, (int) offset, whence);
@@ -708,7 +708,7 @@ u32 sceIoSetAsyncCallback(int id, u32 clbckId, u32 clbckArg)
 	DEBUG_LOG(HLE, "sceIoSetAsyncCallback(%d, %i, %08x)", id, clbckId,
 			clbckArg);
 
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f)
 	{
@@ -751,7 +751,7 @@ u32 sceIoReadAsync(int id, u32 data_addr, int size)
 
 u32 sceIoGetAsyncStat(int id, u32 poll, u32 address)
 {
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f)
 	{
@@ -770,7 +770,7 @@ u32 sceIoGetAsyncStat(int id, u32 poll, u32 address)
 }
 
 int sceIoWaitAsync(int id, u32 address) {
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		u64 res = f->asyncResult;
@@ -791,7 +791,7 @@ int sceIoWaitAsync(int id, u32 address) {
 
 int sceIoWaitAsyncCB(int id, u32 address) {
 	// Should process callbacks here
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		u64 res = f->asyncResult;
@@ -813,7 +813,7 @@ int sceIoWaitAsyncCB(int id, u32 address) {
 }
 
 u32 sceIoPollAsync(int id, u32 address) {
-	u32 error;
+	u32 error=0;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	if (f) {
 		u64 res = f->asyncResult;
@@ -859,7 +859,7 @@ u32 sceIoDopen(const char *path) {
 }
 
 u32 sceIoDread(int id, u32 dirent_addr) {
-	u32 error;
+	u32 error=0;
 	DirListing *dir = kernelObjects.Get<DirListing>(id, error);
 	if (dir) {
 		if (dir->index == (int) dir->listing.size()) {
diff --git a/Core/HLE/sceKernelAlarm.cpp b/Core/HLE/sceKernelAlarm.cpp
index 4e378b2a4..7b0df87b4 100644
--- a/Core/HLE/sceKernelAlarm.cpp
+++ b/Core/HLE/sceKernelAlarm.cpp
@@ -84,7 +84,7 @@ void __KernelTriggerAlarm(u64 userdata, int cyclesLate)
 {
 	int uid = (int) userdata;
 
-	u32 error;
+	u32 error=0;
 	Alarm *alarm = kernelObjects.Get<Alarm>(uid, error);
 	if (alarm)
 		__TriggerInterrupt(PSP_INTR_IMMEDIATE, PSP_SYSTIMER0_INTR, uid);
@@ -152,7 +152,7 @@ int sceKernelCancelAlarm(SceUID uid)
 
 int sceKernelReferAlarmStatus(SceUID uid, u32 infoPtr)
 {
-	u32 error;
+	u32 error=0;
 	Alarm *alarm = kernelObjects.Get<Alarm>(uid, error);
 	if (!alarm)
 	{
diff --git a/Core/HLE/sceKernelEventFlag.cpp b/Core/HLE/sceKernelEventFlag.cpp
index a28c06c0d..42df1072d 100644
--- a/Core/HLE/sceKernelEventFlag.cpp
+++ b/Core/HLE/sceKernelEventFlag.cpp
@@ -204,7 +204,7 @@ u32 sceKernelCancelEventFlag(SceUID uid, u32 pattern, u32 numWaitThreadsPtr)
 {
 	DEBUG_LOG(HLE, "sceKernelCancelEventFlag(%i, %08X, %08X)", uid, pattern, numWaitThreadsPtr);
 
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(uid, error);
 	if (e)
 	{
@@ -225,7 +225,7 @@ u32 sceKernelCancelEventFlag(SceUID uid, u32 pattern, u32 numWaitThreadsPtr)
 
 u32 sceKernelClearEventFlag(SceUID id, u32 bits)
 {
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
 	{
@@ -245,7 +245,7 @@ u32 sceKernelDeleteEventFlag(SceUID uid)
 {
 	DEBUG_LOG(HLE, "sceKernelDeleteEventFlag(%i)", uid);
 
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(uid, error);
 	if (e)
 	{
@@ -261,7 +261,7 @@ u32 sceKernelDeleteEventFlag(SceUID uid)
 
 u32 sceKernelSetEventFlag(SceUID id, u32 bitsToSet)
 {
-	u32 error;
+	u32 error=0;
 	DEBUG_LOG(HLE, "sceKernelSetEventFlag(%i, %08x)", id, bitsToSet);
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
@@ -367,7 +367,7 @@ int sceKernelWaitEventFlag(SceUID id, u32 bits, u32 wait, u32 outBitsPtr, u32 ti
 	if (bits == 0)
 		return SCE_KERNEL_ERROR_EVF_ILPAT;
 
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
 	{
@@ -420,7 +420,7 @@ int sceKernelWaitEventFlagCB(SceUID id, u32 bits, u32 wait, u32 outBitsPtr, u32
 	if (bits == 0)
 		return SCE_KERNEL_ERROR_EVF_ILPAT;
 
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
 	{
@@ -481,7 +481,7 @@ int sceKernelPollEventFlag(SceUID id, u32 bits, u32 wait, u32 outBitsPtr, u32 ti
 	if (bits == 0)
 		return SCE_KERNEL_ERROR_EVF_ILPAT;
 
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
 	{
@@ -511,7 +511,7 @@ int sceKernelPollEventFlag(SceUID id, u32 bits, u32 wait, u32 outBitsPtr, u32 ti
 u32 sceKernelReferEventFlagStatus(SceUID id, u32 statusPtr)
 {
 	DEBUG_LOG(HLE, "sceKernelReferEventFlagStatus(%i, %08x)", id, statusPtr);
-	u32 error;
+	u32 error=0;
 	EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
 	if (e)
 	{
diff --git a/Core/HLE/sceKernelMbx.cpp b/Core/HLE/sceKernelMbx.cpp
index c8c758a21..ae0cab10c 100644
--- a/Core/HLE/sceKernelMbx.cpp
+++ b/Core/HLE/sceKernelMbx.cpp
@@ -295,7 +295,7 @@ SceUID sceKernelCreateMbx(const char *name, u32 attr, u32 optAddr)
 
 int sceKernelDeleteMbx(SceUID id)
 {
-	u32 error;
+	u32 error=0;
 	Mbx *m = kernelObjects.Get<Mbx>(id, error);
 	if (m)
 	{
@@ -318,7 +318,7 @@ int sceKernelDeleteMbx(SceUID id)
 
 int sceKernelSendMbx(SceUID id, u32 packetAddr)
 {
-	u32 error;
+	u32 error=0;
 	Mbx *m = kernelObjects.Get<Mbx>(id, error);
 	if (!m)
 	{
diff --git a/Core/HLE/sceKernelMsgPipe.cpp b/Core/HLE/sceKernelMsgPipe.cpp
index 1521d5f18..be51e24fa 100644
--- a/Core/HLE/sceKernelMsgPipe.cpp
+++ b/Core/HLE/sceKernelMsgPipe.cpp
@@ -186,7 +186,7 @@ void sceKernelCreateMsgPipe()
 void sceKernelDeleteMsgPipe()
 {
 	SceUID uid = PARAM(0);
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m)
 	{
@@ -320,7 +320,7 @@ void sceKernelSendMsgPipe()
 	u32 resultAddr = PARAM(4);
 	u32 timeoutPtr = PARAM(5);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelSendMsgPipe(%i) - ERROR %08x", uid, error);
@@ -341,7 +341,7 @@ void sceKernelSendMsgPipeCB()
 	u32 resultAddr = PARAM(4);
 	u32 timeoutPtr = PARAM(5);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelSendMsgPipeCB(%i) - ERROR %08x", uid, error);
@@ -362,7 +362,7 @@ void sceKernelTrySendMsgPipe()
 	int waitMode = PARAM(3);
 	u32 resultAddr = PARAM(4);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelTrySendMsgPipe(%i) - ERROR %08x", uid, error);
@@ -496,7 +496,7 @@ void sceKernelReceiveMsgPipe()
 	u32 resultAddr = PARAM(4);
 	u32 timeoutPtr = PARAM(5);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelReceiveMsgPipe(%i) - ERROR %08x", uid, error);
@@ -517,7 +517,7 @@ void sceKernelReceiveMsgPipeCB()
 	u32 resultAddr = PARAM(4);
 	u32 timeoutPtr = PARAM(5);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelReceiveMsgPipeCB(%i) - ERROR %08x", uid, error);
@@ -537,7 +537,7 @@ void sceKernelTryReceiveMsgPipe()
 	int waitMode = PARAM(3);
 	u32 resultAddr = PARAM(4);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m) {
 		ERROR_LOG(HLE, "sceKernelTryReceiveMsgPipe(%i) - ERROR %08x", uid, error);
@@ -555,7 +555,7 @@ void sceKernelCancelMsgPipe()
 	u32 numSendThreadsAddr = PARAM(1);
 	u32 numReceiveThreadsAddr = PARAM(2);
 
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (!m)
 	{
@@ -588,7 +588,7 @@ void sceKernelReferMsgPipeStatus()
 	u32 msgPipeStatusAddr = PARAM(1);
 
 	DEBUG_LOG(HLE,"sceKernelReferMsgPipeStatus(%i, %08x)", uid, msgPipeStatusAddr);
-	u32 error;
+	u32 error=0;
 	MsgPipe *m = kernelObjects.Get<MsgPipe>(uid, error);
 	if (m)
 	{
diff --git a/Core/HLE/sceKernelSemaphore.cpp b/Core/HLE/sceKernelSemaphore.cpp
index 2fd575d0d..e634b3573 100644
--- a/Core/HLE/sceKernelSemaphore.cpp
+++ b/Core/HLE/sceKernelSemaphore.cpp
@@ -139,7 +139,7 @@ int sceKernelCancelSema(SceUID id, int newCount, u32 numWaitThreadsPtr)
 {
 	DEBUG_LOG(HLE, "sceKernelCancelSema(%i)", id);
 
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{
@@ -206,7 +206,7 @@ int sceKernelDeleteSema(SceUID id)
 {
 	DEBUG_LOG(HLE, "sceKernelDeleteSema(%i)", id);
 
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{
@@ -225,7 +225,7 @@ int sceKernelDeleteSema(SceUID id)
 
 int sceKernelReferSemaStatus(SceUID id, u32 infoPtr)
 {
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{
@@ -242,7 +242,7 @@ int sceKernelReferSemaStatus(SceUID id, u32 infoPtr)
 
 int sceKernelSignalSema(SceUID id, int signal)
 {
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{
@@ -324,7 +324,7 @@ void __KernelSetSemaTimeout(Semaphore *s, u32 timeoutPtr)
 
 int __KernelWaitSema(SceUID id, int wantedCount, u32 timeoutPtr, const char *badSemaMessage, bool processCallbacks)
 {
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{
@@ -376,7 +376,7 @@ int sceKernelPollSema(SceUID id, int wantedCount)
 	if (wantedCount <= 0)
 		return SCE_KERNEL_ERROR_ILLEGAL_COUNT;
 
-	u32 error;
+	u32 error=0;
 	Semaphore *s = kernelObjects.Get<Semaphore>(id, error);
 	if (s)
 	{