1 files changed, 8 insertions, 0 deletions
diff --git a/win/tkWinWm.c b/win/tkWinWm.c
index ba52b32..c02e1f5 100644
--- a/win/tkWinWm.c
+++ b/win/tkWinWm.c
@@ -2463,6 +2463,14 @@ TkpWmGetState(
 
 static void CheckForPointer(TkWindow *winPtr)
 {
+    if (winPtr == NULL || winPtr->mainPtr == NULL) {
+        /*
+         * Bug [d233f01e2a] - clipboard clean up after main window destroyed
+         * Nothing to do.
+         */
+        return;
+    }
+
     POINT mouse;
     int x, y;
     unsigned int state = TkWinGetModifierState();