Why does XP take so long to shutdown. Apparently, this is because during shutdown, Windows needs to make sure all user sessions are shutdown. They have a fix called UPHClean which
Long Windows Shutdown and Startup Times
April 23rd, 2008 · 1 Comment · Windows
Tags: Amp·Microsoft·Sessions·Shutdown Windows·Shutdown Xp·Startup Times·Windows Shutdown·Windows Startup·Xp Shutdown