Faile to start / stop games

Hi, I got a game that I could run, don’t know what I changed but it’s marked as “launching” and cannot stop. The error returned is os.kill() for which it doesn’t have the permissions.
I checked the game’s files, they’r all owned by me, with execution flag on the .exe
Help appreciated.

It’s solved because another game had an issue with a python library, I’m not sure what I did about that but it works for all my games now;