ATI HD4850 ERROR: clBuildProgram() -11

I reinstalled driver as it's said here:
http://hashcat.net/wiki/doku.php?id=upgr...ers_how_to

Doesnt help, error still appears.

Also i have Screen Tearing, maybe it is a symptom that means something wrong with installed driver or operating system.

AMD/ATI HD4850
Windows 7 x64