If you search for that error code you will find many results:
https://forum.shotcut.org/search?q=1073741819
Including this one from 3 days ago:
Try the advice there and report back.
If you search for that error code you will find many results:
https://forum.shotcut.org/search?q=1073741819
Including this one from 3 days ago:
Try the advice there and report back.