Strange occurrence - still having trouble on my Windows 10 system with not being able to delete files after processing is completed and project is closed. Thought that perhaps running Shotcut as an administrator would make a difference. It did, but not what I expected. When running as administrator, I could not drop and drag files into Shotcut. They could still be accessed through the ‘open file’ menu or button, but could not be dropped into either the playlist or the project window. Since it didn’t fix the problem with files hanging and not deleting, I’ll probably not do this anymore, but thought you should know in case administrative rights might cause other problems.