Many modding tools perform cleanup operations after their windows close. xEdit, for example, saves backup files and logs. Give the process 30 seconds. If the countdown timer in the MO2 dialog reaches zero, MO2 will attempt to close anyway. Often, the process finishes naturally.
This is a comprehensive guide designed to explain exactly why this happens and how to fix it permanently.
Overlays inject code into your game, which can interfere with MO2's ability to "hook" and "unhook" processes. Many modding tools perform cleanup operations after their
“I (MO2) see that an application I launched is still running. For the safety of your mod list, I will not exit until that app closes or you override me.”
Nemesis crashed silently while generating behavior files. It left a lock file. Force exiting MO2 didn't fix the underlying crash. If the countdown timer in the MO2 dialog
Only use it if you are certain the listed application has crashed. For example, if Nemesis_Engine.exe has been stuck at 0% CPU usage for 5 minutes and won't close via Task Manager, Force Exit is your only option.
Right-click ModOrganizer.exe > Properties > Compatibility > . Overlays inject code into your game, which can
Any executable launched through MO2’s "Executables" dropdown can become orphaned.