I have a Lenovo ThinkPad Edge. I recently installed Ubuntu 12.04. Every once in a while, Ubuntu freezes for a second, and then I get logged out of my session and have to sign back in. When I do, I find all my programs have been closed. The only thing that seems to aggravate the problem is using the computer actively. I haven't experienced this while watching a movie.
According to Ubuntu, this problem is an internal error associated with
Can anybody help me?