Roadhog Crashing

my Roadhog keeps crashing. I do pig+open+bs and it says desktop running but i can only access the movers via pallettes. faders don't work but conventionals work w/ the bump buttons only. It happens at different times but almost once a night. I'm running 2.2.1. Would going to 2.2.2 help at all ? any other ideas ?

Thanks, C
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