Hi, I have installed Windows XP SP2 into my new computer (intel P4 3.2 GHz on Abit ICG-7 Motherboard) from scratch. Then I went to microsoft windows update WEB site, and it detected and installed SP3 and internet explore 7 successfully. Then it checked I need more updates : including ..NET Framework Version 1.1, Security Update for Windows XP with Windows Media Format Runtime 9.5 and 11 (KB941569), Root Certificates Update However, none of the latter updates installed, they all failed at the initializing installation stage. The error message is "Problem : A problem on your computer is preventing updates from being downloaded or installed" Anyone can help ? Thanks, Sam.