Many players report a CSGO Crash after alt-tabbing or changing resolutions
https://csgo-crash-sitetpzx140.terracolumn.com/posts/15-reasons-to-not-ignore-crash-gambling
Lots of gamers report a CSGO Crash after alt-tabbing or changing resolutions. Fixes include setting fullscreen mode consistently, changing resolution back to native, and upgrading GPU chauffeurs to minimize stability problems.