opening main.pyw from cmd as admin i cant see the previw video, it says: libpng warning: iCCP: known incorrect sRGB profile DirectShowPlayerService::doSetUrlSource: Unresolved error code 0x80040216 (IDispatch error #22) failed QLayout: Attempting to add QLayout "" to MainWindow "MainWindow", which already has a layout last: [] dont know how to fix the issue, thanks in advice and have a nice day! https://github.com/heyuncle/graf Continue reading...