diff --git a/src/Cedar/BridgeWin32.c b/src/Cedar/BridgeWin32.c
index 2941ae81..ea859ca7 100644
--- a/src/Cedar/BridgeWin32.c
+++ b/src/Cedar/BridgeWin32.c
@@ -1406,7 +1406,7 @@ LIST *GetEthAdapterListInternal()
 {
 	LIST *o;
 	LIST *ret;
-	UINT size;
+	ULONG size;
 	char *buf;
 	UINT i, j;
 	char *qos_tag = "(Microsoft's Packet Scheduler)";	// Allow to combine "FriendlyName" consisting of a NULL character and QOS tag.
diff --git a/src/Cedar/Proto_Win7.c b/src/Cedar/Proto_Win7.c
index 98397503..faad5175 100644
--- a/src/Cedar/Proto_Win7.c
+++ b/src/Cedar/Proto_Win7.c
@@ -127,7 +127,7 @@ void IPsecWin7UpdateHostIPAddressList(IPSEC_WIN7 *w)
 	LIST *o;
 	UINT i;
 	BUF *buf;
-	UINT retsize;
+	DWORD retsize;
 	// Validate arguments
 	if (w == NULL)
 	{
diff --git a/src/Cedar/SeLowUser.c b/src/Cedar/SeLowUser.c
index 1074adf9..6756761c 100644
--- a/src/Cedar/SeLowUser.c
+++ b/src/Cedar/SeLowUser.c
@@ -632,7 +632,7 @@ SU_ADAPTER *SuOpenAdapter(SU *u, char *adapter_id)
 	void *h;
 	SU_ADAPTER *a;
 	SL_IOCTL_EVENT_NAME t;
-	UINT read_size;
+	DWORD read_size;
 	// Validate arguments
 	if (u == NULL || adapter_id == NULL)
 	{
@@ -690,7 +690,7 @@ SU_ADAPTER *SuOpenAdapter(SU *u, char *adapter_id)
 TOKEN_LIST *SuEnumAdapters(SU *u)
 {
 	UINT i;
-	UINT ret_size;
+	DWORD ret_size;
 	TOKEN_LIST *ret;
 	// Validate arguments
 	if (u == NULL)
@@ -730,7 +730,7 @@ TOKEN_LIST *SuEnumAdapters(SU *u)
 LIST *SuGetAdapterList(SU *u)
 {
 	LIST *ret;
-	UINT read_size;
+	DWORD read_size;
 	UINT i;
 	// Validate arguments
 	if (u == NULL)
@@ -893,7 +893,7 @@ SU *SuInitEx(UINT wait_for_bind_complete_tick)
 {
 	void *h;
 	SU *u;
-	UINT read_size;
+	DWORD read_size;
 	bool flag = false;
 	UINT64 giveup_tick = 0;
 	static bool flag2 = false; // flag2 must be global
diff --git a/src/Cedar/WinUi.c b/src/Cedar/WinUi.c
index 8b1de535..c266f90b 100644
--- a/src/Cedar/WinUi.c
+++ b/src/Cedar/WinUi.c
@@ -964,7 +964,7 @@ void *CreateWizardPageInstance(WIZARD *w, WIZARD_PAGE *p)
 
 	t.lParam = (LPARAM)p->DialogParam;
 
-	return CreatePropertySheetPageW(&t);
+	return CreatePropertySheetPageW((LPCPROPSHEETPAGEW)&t);
 }
 
 // Create a new wizard
@@ -2368,7 +2368,7 @@ void AdjustWindowAndControlSize(HWND hWnd, bool *need_resize, double *factor_x,
 	*need_resize = true;
 
 	// Get the font of the current window
-	hDlgFont = (HFONT)SendMsg(hWnd, 0, WM_GETFONT, 0, 0);
+	hDlgFont = (HFONT)SendMessageW(hWnd, WM_GETFONT, 0, 0);
 
 	// Get the width and height of the font of the current window
 	CalcFontSize(hDlgFont, &dlgfont_x, &dlgfont_y);
@@ -2677,7 +2677,7 @@ HBITMAP ResizeBitmap(HBITMAP hSrc, UINT src_x, UINT src_y, UINT dst_x, UINT dst_
 				// Copy once the transfer source
 				Zero(&bi, sizeof(bi));
 				Copy(&bi.bmiHeader, &h, sizeof(BITMAPINFOHEADER));
-				srcHbitMap = CreateDIBSection(hMemDC, &bi, DIB_RGB_COLORS, &srcData, NULL, 0);
+				srcHbitMap = CreateDIBSection(hMemDC, &bi, DIB_RGB_COLORS, (void **)&srcData, NULL, 0);
 
 				hOld = SelectObject(hMemDC, srcHbitMap);
 
@@ -2695,7 +2695,7 @@ HBITMAP ResizeBitmap(HBITMAP hSrc, UINT src_x, UINT src_y, UINT dst_x, UINT dst_
 					Zero(&bi, sizeof(bi));
 					Copy(&bi.bmiHeader, &h, sizeof(BITMAPINFOHEADER));
 
-					ret = CreateDIBSection(hMemDC, &bi, DIB_RGB_COLORS, &data, NULL, 0);
+					ret = CreateDIBSection(hMemDC, &bi, DIB_RGB_COLORS, (void **)&data, NULL, 0);
 
 					if(srcData != NULL && data != NULL)
 					{
diff --git a/src/Mayaqua/Network.c b/src/Mayaqua/Network.c
index 0ea87fee..496d2dd8 100644
--- a/src/Mayaqua/Network.c
+++ b/src/Mayaqua/Network.c
@@ -9265,12 +9265,12 @@ bool Win32GetDnsSuffix(char *domain, UINT size)
 
 	info_size = 0;
 	info = ZeroMalloc(sizeof(IP_ADAPTER_ADDRESSES_XP));
-	if (GetAdaptersAddresses(AF_INET, 0, NULL, info, &info_size) == ERROR_BUFFER_OVERFLOW)
+	if (GetAdaptersAddresses(AF_INET, 0, NULL, (PIP_ADAPTER_ADDRESSES)info, &info_size) == ERROR_BUFFER_OVERFLOW)
 	{
 		Free(info);
 		info = ZeroMalloc(info_size);
 	}
-	if (GetAdaptersAddresses(AF_INET, 0, NULL, info, &info_size) != NO_ERROR)
+	if (GetAdaptersAddresses(AF_INET, 0, NULL, (PIP_ADAPTER_ADDRESSES)info, &info_size) != NO_ERROR)
 	{
 		Free(info);
 		return false;
diff --git a/src/Mayaqua/Win32.c b/src/Mayaqua/Win32.c
index 7ed778cb..b14d9cc2 100644
--- a/src/Mayaqua/Win32.c
+++ b/src/Mayaqua/Win32.c
@@ -195,7 +195,7 @@ void Win32InitNewThread()
 bool Win32SetFolderCompressW(wchar_t *path, bool compressed)
 {
 	HANDLE h;
-	UINT retsize = 0;
+	DWORD retsize = 0;
 	USHORT flag;
 	wchar_t tmp[MAX_PATH];
 	// Validate arguments
@@ -239,7 +239,7 @@ bool Win32SetFolderCompressW(wchar_t *path, bool compressed)
 bool Win32SetFolderCompress(char *path, bool compressed)
 {
 	HANDLE h;
-	UINT retsize = 0;
+	DWORD retsize = 0;
 	USHORT flag;
 	char tmp[MAX_PATH];
 	// Validate arguments
@@ -2822,7 +2822,7 @@ bool Win32InitThread(THREAD *t)
 {
 	WIN32THREAD *w;
 	HANDLE hThread;
-	DWORD thread_id;
+	UINT thread_id;
 	WIN32THREADSTARTUPINFO *info;
 	// Validate arguments
 	if (t == NULL)
@@ -3033,13 +3033,13 @@ void Win32GetSystemTime(SYSTEMTIME *system_time)
 // Increment of 32bit integer
 void Win32Inc32(UINT *value)
 {
-	InterlockedIncrement(value);
+	InterlockedIncrement((volatile LONG *)value);
 }
 
 // Decrement of 32bit integer
 void Win32Dec32(UINT *value)
 {
-	InterlockedDecrement(value);
+	InterlockedDecrement((volatile LONG *)value);
 }
 
 // Sleep the thread
@@ -3341,7 +3341,7 @@ char *Win32InputFromFileLineA()
 	while (true)
 	{
 		char c;
-		UINT read_size = 0;
+		DWORD read_size = 0;
 
 		if (ReadFile(hstdin, &c, 1, &read_size, NULL) == false)
 		{