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Ahmed Arif
057d978fcb
One visible case is the setup LiveCD error dialog, where the message box button can appear with a wrong bold/garbled look instead of the normal default-pushbutton appearance. ## Root cause `win32ss/user/user32/controls/button.c` stores button state with `GetWindowLongPtrW` / `SetWindowLongPtrW`, but the control extra-byte layout was still defined as if the first slot were only `sizeof(LONG)` On 64-bit builds, that causes the stored state to overlap the cached font, image, and UI-state fields.