AboutSaad Shawwa Expertise I Can answer most questions regarding to Windows 95, Windows 98, Windows NT, Windows 2000, Windows ME , Windows XP Home or PRO , Windows VISTA.
Experience I am an experienced computer technical in the field of Networking , Hardware Support , Operating System Support and Troubleshooting.
goto start menu -> run , tyoe "sfc /scannow" without " " and press ok
when it asks you for a windows XP cd , insert the cd and press ok , let this utility check your computer for missing system files.
when it is done checking, reboot and see if the msg is gone.
if you need more help feel free to contact me back