diff --git a/src/Animations.c b/src/Animations.c
index 75a29f3a9..a73a4579e 100644
--- a/src/Animations.c
+++ b/src/Animations.c
@@ -26,7 +26,7 @@ static void Animations_Update(int loc, struct Bitmap* bmp, int stride);
 
 #ifndef CC_BUILD_WEB
 /* Based off the incredible work from https://dl.dropboxusercontent.com/u/12694594/lava.txt
-	mirrored at https://github.com/UnknownShadow200/ClassiCube/wiki/Minecraft-Classic-lava-animation-algorithm
+	mirrored at https://github.com/ClassiCube/ClassiCube/wiki/Minecraft-Classic-lava-animation-algorithm
 	Water animation originally written by cybertoon, big thanks!
 */
 /*########################################################################################################################*
diff --git a/src/HeldBlockRenderer.c b/src/HeldBlockRenderer.c
index 585fa405c..4b5dcdf70 100644
--- a/src/HeldBlockRenderer.c
+++ b/src/HeldBlockRenderer.c
@@ -118,7 +118,7 @@ static void OnProjectionChanged(void* obj) {
 	https://dl.dropboxusercontent.com/s/pdq79gkzntquld1/slowBreakRotate2.gif
 	https://dl.dropboxusercontent.com/s/w1ego7cy7e5nrk1/slowBreakFull.gif
 
-	https://github.com/UnknownShadow200/ClassicalSharp/wiki/Dig-animation-details
+	https://github.com/ClassiCube/ClassicalSharp/wiki/Dig-animation-details
 */
 static void HeldBlockRenderer_DigAnimation(void) {
 	float sinHalfCircle, sinHalfCircleWeird;
diff --git a/src/Window_Win.c b/src/Window_Win.c
index 515fb7d2a..4d83cdd71 100644
--- a/src/Window_Win.c
+++ b/src/Window_Win.c
@@ -362,7 +362,13 @@ static ATOM DoRegisterClass(void) {
 	/* Windows 9x does not support W API functions */
 	if ((atom = RegisterClassExA((const WNDCLASSEXA*)&wc))) return atom;
 	
+	/* Windows NT 3.5 does not support RegisterClassExA function */
 	res = GetLastError();
+	if (res == ERROR_CALL_NOT_IMPLEMENTED) {
+		if ((atom = RegisterClassA((const WNDCLASSA*)&wc))) return atom;
+		res = GetLastError();
+	}
+	
 	Logger_Abort2(res, "Failed to register window class");
 	return NULL;
 }