Please follow the below mentioned steps to Resolve Punk Buster Issue
1. Un-install the PB from Control Panel
2. Download new one from
http://www.evenbalance.com/downloads/pbsvc/pbsvc.exe3. Select the game there and click for update.
4. Download one more file from.
http://evenbalance.com/index.php?page=dl-bf3.php4. Open the file in any browser.
5. Click on file then save and select the following path.
[Path]/pb/pbsecsv.htm by default It would be C:/Program Files (x86)/Electronic Arts/Battlefield 3/PB/
Вырезка из чата с поддержкой. после этого проблема решена