Trouble-Critical Error

[master98]

2011.3.6 16:05:56
OS : Windows XP 5.1 (Build: 2600)
CPU : AuthenticAMD Unknown processor @ 2222 MHz with 2047MB RAM
Video : RADEON X850 Series     (6764)
PosCode : LS1:0:0:0 1/0

General protection fault!

History: CheckTag <- ULinkerLoad::Load <- ULinkerLoad::ULinkerLoad <- CheckTag <- ULinkerLoad::Load <- ULinkerLoad::ULinkerLoad <- CheckTag <- ULinkerLoad::Load <- ULinkerLoad::ULinkerLoad <- CheckTag <- ULinkerLoad::Load <- ULinkerLoad::ULinkerLoad <- UWindowsClient::Tick <- ClientTick <- UGameEngine::Tick <- UpdateWorld <- MainLoop

I have this problem when i wanna log any of my accs,after ithen i chose the char...
what is it???
I wanna play x_x

[CIIaCubo]

update video driver...