BF6 Crashes to desk top when multiplayer map loads

I updated to latest patch and the problems started to occur.  all my PC and video card drivers are updated.   I have lost lots of XP boosters because I initiated the booster but then cant play.   Sometimes I am able to play (seems to be no CA maps) and I can play serval rounds but then it can freeze when a new map starts.  I have to reboot my PC at that point. 

I also tried to repair the game.  No help.