This error appeared just today. When I open my application it says "Another instance of "Application" is already running even it isn't running. This happens when I open the app once and close and reopen, it says that error. I am on Windows 11.
When the error appears, I go to the Task Manager and end task. This seem to work but, when I open the app once again and close then reopen, it still has the same error.
I tried reinstalling the app but it still has the same problem and error.
Here is the screenshot of the error. I hope someone could help me out!