The "correct" fix is to call SetThreadErrorMode(SEM_FAILCRITICALERRORS, &oldmode) before doing I/O to prevent a dialog from hanging your app. https://learn.mic

The "correct" fix is to call SetThreadErrorMode(SEM_FAILCRITICALERRORS, &oldmode) before doing I/O to prevent a dialog from hanging your app. https://learn.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-setthreaderrormode https://learn.microsoft.com/en-us/windows/win32/api/errhandl... I only put "correct" in scare quotes because it is kinda lame that this is still required. When was the last time anyone was happy that they got an "Abort, Retry or Cancel" dialog?