World of Tanks ubuntu nvidia GTX 560, 4 Gb RAM, cpu i7 3770

Warning Blue artefacts are only on video not realy in game. specification: system: Ubuntu 64bit enviroment: Gnomeshell CPU: i7 3770 RAM: 4GB VGA: asus GTX 560 DirectCUII TOP VGAdriver: version PlayOnLinux with wine 1. 7. 7 Game is playable hangs and freezes are created by recording software(recordmydesktop). Without recording are everything fine. FPS jumps from 30 to 120 but it is playable. Some improvement can get by command taskset cp 0, 1, 2, 3 (pgrep worldoftanks) this give affini