diff --git a/src/archutils/Win32/Crash.cpp b/src/archutils/Win32/Crash.cpp
index bd241dcb6c..ca46fae0f7 100644
--- a/src/archutils/Win32/Crash.cpp
+++ b/src/archutils/Win32/Crash.cpp
@@ -50,7 +50,7 @@ static const struct ExceptionLookup {
 	{ EXCEPTION_INVALID_HANDLE,		"Invalid handle"		},
 	{ EXCEPTION_STACK_OVERFLOW,		"Stack overflow"		},
 	{ 0xe06d7363,				"Unhandled Microsoft C++ Exception",	},
-	{ nullptr },
+	{ 0 },
 };
 
 static const char *LookupException( DWORD code )
@@ -540,7 +540,8 @@ void CrashHandler::do_backtrace( const void **buf, size_t size,
 // Trigger the crash handler. This works even in the debugger.
 static void NORETURN debug_crash()
 {
-	__try {
+//	__try {
+#if defined(__MSC_VER)
 		__asm xor ebx,ebx
 		__asm mov eax,dword ptr [ebx]
 //		__asm mov dword ptr [ebx],eax
diff --git a/src/archutils/Win32/CrashHandlerNetworking.cpp b/src/archutils/Win32/CrashHandlerNetworking.cpp
index 0ef4cf445a..e5621b8b72 100644
--- a/src/archutils/Win32/CrashHandlerNetworking.cpp
+++ b/src/archutils/Win32/CrashHandlerNetworking.cpp
@@ -170,7 +170,7 @@ NetworkStream_Win32::NetworkStream_Win32():
 {
 	m_iPort = -1;
 	m_State = STATE_IDLE;
-	m_Socket = nullptr;
+	m_Socket = NULL;
 #if defined(WINDOWS)
 	m_hResolve = nullptr;
 	m_hResolveHwnd = nullptr;
diff --git a/src/archutils/Win32/GetFileInformation.cpp b/src/archutils/Win32/GetFileInformation.cpp
index 99966f356d..9f3e3679c2 100644
--- a/src/archutils/Win32/GetFileInformation.cpp
+++ b/src/archutils/Win32/GetFileInformation.cpp
@@ -22,7 +22,7 @@ bool GetFileVersion( RString sFile, RString &sOut )
 
 		RString VersionBuffer( iSize, ' ' );
 		// Also VC6:
-		if( !GetFileVersionInfo( const_cast<char *>(sFile.c_str()), nullptr, iSize, const_cast<char *>(VersionBuffer.c_str()) ) )
+		if( !GetFileVersionInfo( const_cast<char *>(sFile.c_str()), 0, iSize, const_cast<char *>(VersionBuffer.c_str()) ) )
 			break;
 
 		WORD *iTrans;
@@ -146,7 +146,7 @@ bool GetProcessFileName( uint32_t iProcessID, RString &sName )
 
 		if( pGetProcessImageFileName != nullptr )
 		{
-			HANDLE hProc = OpenProcess( PROCESS_VM_READ|PROCESS_QUERY_INFORMATION, nullptr, iProcessID );
+			HANDLE hProc = OpenProcess( PROCESS_VM_READ|PROCESS_QUERY_INFORMATION, FALSE, iProcessID );
 			if( hProc == nullptr )
 			{
 				sName = werr_ssprintf( GetLastError(), "OpenProcess" );
diff --git a/src/archutils/Win32/GraphicsWindow.cpp b/src/archutils/Win32/GraphicsWindow.cpp
index 41cbbc0f22..ea8bf10210 100644
--- a/src/archutils/Win32/GraphicsWindow.cpp
+++ b/src/archutils/Win32/GraphicsWindow.cpp
@@ -37,7 +37,7 @@ static RString GetNewWindow()
 {
 	HWND h = GetForegroundWindow();
 	if( h == nullptr )
-		return "(nullptr)";
+		return "(NULL)";
 
 	DWORD iProcessID;
 	GetWindowThreadProcessId( h, &iProcessID );