Got a problem with WOLF ET try these

1. Invalid GUID/Pb problems

Fix - http://www.splashdamage.com/forums/showthread.php/31434-Invalid-Guid-error

2. Cant see any servers

Fix - http://www.splashdamage.com/forums/showthread.php/31768-Unofficial-Server-List-Fix

3. game crashes or you get this Game code ( ui_mp_x86.dll ) failed Pure Server Check

fix - right click game icon and run as administrator

4.nothing works still?

Fix - delete the game and download this version
http://etui.kashu.fr/
i think punk buster maybe outta day so to step 1 again.

Any other problems send me a message ill try send you a message on how to fix it.