was playing the other night on evac crash site , any way long story short ceph gunships were coming out every couple of minutes, the back ground sound went haywire and my hud just seem to freeze energy bar would not go down even though my cloak would wear off to recharge it still showed full power ,so had to leave server incase of being accused of hacker,came back same thing happened again, any one else come across this had to shut down pc and start again it happened one more time same server,when the map rotation came on the next game was fine.