Lots of gamers report a CSGO Crash after alt-tabbing or changing resolutions
https://blogfreely.net/aureencolg/h1-b-theres-a-reason-why-the-most-common-cs2-crash-site-debate-actually
Numerous players report a CSGO Crash after alt-tabbing or altering resolutions. Fixes consist of setting fullscreen mode consistently, adjusting resolution back to native, and upgrading GPU motorists to reduce stability issues.