Always an additional worry on Ubuntu, now when I want to unlock my session, the personnal computer remains suspended consideration of the password. Unable to reboot the X session and then forced a reboot bestial.

After the restart, the application menus and then completely immobilized while over menu available. Robustness and security were among the advantages of operating systems other than Windows, but I began to deeply challenge with all the cares more or less strange.

Well, after several searches and updates, this error appears only when I connect my phone HTC HD with a USB cord. If it is connected, then I get this error and I can not find my menus to reboot.

42.45% of the amended text!