Windows .exe Can Play single player but not multiplayer

[shifty1nstincs]

Well basicly the title says it all, I can make a world and play direwolf20 on single player but when i try to join my friends direwolf20 server it crashes here my console http://pastebin.com/RrKdZgbE

 

[lavarthan]

# C [atio6axx.dll+0xa39530]

Welcome. This tells me it is more than likely a driver issue. Please update to the latest non-beta driver version for your ATI card. Ensure that your driver is not the current beta version as that one has known compatibility issue with minecraft.