Computer will not restart correctly after SP2 Upgrade

I upgraded my HP Pavilion computer two months ago to SP2. It seems to be
running fine. However, I have recently had to do a restart on my computer.
the computer will not restart properly. It hangs with a cursor sitting in the
upper corner. I have to shut down the computer completely

Beyond uninstalling XP2 does anyone have a suggestion??

http://www.michna.com/kb/WxSP2.htm#B...2_installation
Boot or shutdown problems after Service Pack 2 installation

and/or

This article describes how to resolve an issue where your computer stops responding
(hangs) when you restart to complete the installation of Microsoft Windows XP Service
Pack 2 or Windows XP Tablet PC Edition 2005. This issue occurs on a limited number of
systems that use a version of basic input/output system (BIOS) that does not have
production support for Intel Pentium 4 and Intel Celeron D processors based on the
Prescott C-0 stepping
http://support.microsoft.com/kb/885626
Your computer stops responding when you restart to complete the installation of
Windows XP Service Pack 2 or Windows XP Tablet PC Edition 2005


Stephen wrote:
I upgraded my HP Pavilion computer two months ago to SP2. It seems
to be running fine. However, I have recently had to do a restart on
my computer. the computer will not restart properly. It hangs with a
cursor sitting in the upper corner. I have to shut down the computer
completely

Beyond uninstalling XP2 does anyone have a suggestion??