These issues are usually experienced with Windows Update in some form or another. To fix this frustrating problem, following these steps: 1) Download and install Update for Windows XP (KB927891) 2) Download and install an update for Windows Update Agent WSUS 3.0.
The surface pro turns off when hot, cold, or even room temp. The Shut down is not a correct shut down, the unit seems to loose power, or die. It does not go into sleep mode. It is also not a simply problem of the display turning off, It simply shuts off. I don't believe it to be a driver issue or an OS issue.