Lots of players report a CSGO Crash after alt-tabbing or changing resolutions

https://csgo-crash-sitehhmg645.evercolumn.com/posts/5-killer-quora-answers-to-csgo-crash

Many players report a CSGO Crash after alt-tabbing or changing resolutions. Repairs consist of setting fullscreen mode consistently, changing resolution back to native, and upgrading GPU drivers to minimize stability problems.