Guiminer crashes computer on exit

[DrReaper]

I can start up guiminer and start mining. Every time I exit the program it locks up the computer. If I hit stop mining it locks. If I close guiminer it locks. I want to play All Points Bulletin Reloaded sometimes and I need my videocard. Maybe there is an argument I can use to give up the video card to games before hashing all the time. It's a nvidia 250.

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[Dobrodav]

Did yoy try something like: -f50
in extra flag field?

[DrReaper]

yeah -f 20

[Dobrodav]

-f20 flag can even lag your desktop.
Try higher values (like -f50 and higher). Its also possible, that some applications are just incompatible with mining.