pc hanging when i want to shut down xp

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: jaz (anonymous_at_discussions.microsoft.com)
Date: 04/16/04 

Date: Fri, 16 Apr 2004 05:36:50 -0700

i have a new pc and everytime i go to shut down the
computer its gets to the saving settings screen then
hangs and wont shut down,does anyone know why this could
be happening?