X-org Crashes and automatically logout

Hi,

I am new to ubutu. After installing ubuntu 12.04 my computer hangs up inbetween and log out authomatically. I am attaching the error output.

Screenshot 1.jpgScreenshot 2.jpg.

Kindly help me out what to do next. I had reported to the error but no result.

BNZ

Attached Images

• Screenshot 1.jpg (56.5 KB)
• Screenshot 2.jpg (63.2 KB)