diff --git a/engine/downloadthread.cpp b/engine/downloadthread.cpp
index a79ebff5..882609f7 100644
--- a/engine/downloadthread.cpp
+++ b/engine/downloadthread.cpp
@@ -425,7 +425,7 @@ DWORD __stdcall DownloadThread( void *voidPtr )
 		//Thread_DPrintf( "Requesting full download\n%s", headers );
 	}
 
-	rc.hDataResource = InternetOpenUrl(rc.hOpenResource, fullURL, headerPtr, headerLen, flags,(DWORD)(&rc) );
+	rc.hDataResource = InternetOpenUrl(rc.hOpenResource, fullURL, headerPtr, headerLen, flags, (DWORD_PTR)(&rc) );
 
 	// send the request off
 	if ( !rc.hDataResource )
diff --git a/filesystem/filesystem_stdio.cpp b/filesystem/filesystem_stdio.cpp
index f80d4e4a..29caa925 100644
--- a/filesystem/filesystem_stdio.cpp
+++ b/filesystem/filesystem_stdio.cpp
@@ -1413,7 +1413,7 @@ size_t CWin32ReadOnlyFile::FS_fread( void *dest, size_t destSize, size_t size )
 	if ( m_hFileUnbuffered != INVALID_HANDLE_VALUE )
 	{
 		const int destBaseAlign = ( IsX360() ) ? 4 : m_SectorSize;
-		bool bDestBaseIsAligned = ( (DWORD)dest % destBaseAlign == 0 );
+		bool bDestBaseIsAligned = ( (DWORD_PTR)dest % destBaseAlign == 0 );
 		bool bCanReadUnbufferedDirect = ( bDestBaseIsAligned && ( destSize % m_SectorSize == 0 ) && ( m_ReadPos % m_SectorSize == 0 ) );
 
 		if ( bCanReadUnbufferedDirect )
diff --git a/game/server/ai_navigator.cpp b/game/server/ai_navigator.cpp
index 2825744c..c304bcdc 100644
--- a/game/server/ai_navigator.cpp
+++ b/game/server/ai_navigator.cpp
@@ -1222,7 +1222,7 @@ float CAI_Navigator::GetPathTimeToGoal()
 AI_PathNode_t CAI_Navigator::GetNearestNode()
 {
 #ifdef WIN32
-	COMPILE_TIME_ASSERT( (int)AIN_NO_NODE == NO_NODE );
+	COMPILE_TIME_ASSERT( (intp)AIN_NO_NODE == NO_NODE );
 #endif
 	return (AI_PathNode_t)(intp)( GetPathfinder()->NearestNodeToNPC() );
 }
diff --git a/materialsystem/CColorCorrection.cpp b/materialsystem/CColorCorrection.cpp
index 5483d18e..46246658 100644
--- a/materialsystem/CColorCorrection.cpp
+++ b/materialsystem/CColorCorrection.cpp
@@ -79,7 +79,7 @@ ColorCorrectionLookup_t::~ColorCorrectionLookup_t( )
 void ColorCorrectionLookup_t::AllocTexture()
 {
 	char name[64];
-	sprintf( name, "ColorCorrection - %d", m_Handle );
+	sprintf( name, "ColorCorrection - %p", m_Handle );
 
 	m_pColorCorrectionTexture = ITextureInternal::CreateProceduralTexture( name, TEXTURE_GROUP_OTHER,
 		COLOR_CORRECTION_TEXTURE_SIZE, COLOR_CORRECTION_TEXTURE_SIZE, COLOR_CORRECTION_TEXTURE_SIZE, IMAGE_FORMAT_BGRX8888,
diff --git a/studiorender/r_studiodraw.cpp b/studiorender/r_studiodraw.cpp
index da6905fd..c2aee1fb 100644
--- a/studiorender/r_studiodraw.cpp
+++ b/studiorender/r_studiodraw.cpp
@@ -1138,7 +1138,7 @@ public:
 		if ( nHasSIMD )
 		{
 			// Precaches the data
-			_mm_prefetch( (char*)((int)pGroupToMesh & (~0x1F)), _MM_HINT_NTA );
+			_mm_prefetch( (char*)((intp)pGroupToMesh & (~0x1F)), _MM_HINT_NTA );
 		}
 #endif
 		for ( int i = 0; i < PREFETCH_VERT_COUNT; ++i )
@@ -1165,7 +1165,7 @@ public:
 			if ( nHasSIMD )
 			{
 				char *pMem = (char*)&pGroupToMesh[j + PREFETCH_VERT_COUNT + 1];
-				_mm_prefetch( (char*)((int)pMem & (~0x1F)), _MM_HINT_NTA );
+				_mm_prefetch( (char*)((intp)pMem & (~0x1F)), _MM_HINT_NTA );
 			}
 #endif
 			idx = j & (PREFETCH_VERT_COUNT-1);