Numerous players report a CSGO Crash after alt-tabbing or changing resolutions
https://crash-csgo-gamblintnnp290.wpsuo.com/10-unexpected-csgo-crash-tips
Lots of players report a CSGO Crash after alt-tabbing or altering resolutions. Fixes include setting fullscreen mode consistently, adjusting resolution back to native, and updating GPU motorists to decrease stability problems.