I had this problem after an install of XP Pro. I also suspectd a virus, but what my problem was was bad memory.  Try taking out memory sticks one at a time to see if stops doing that.  It took me 3 days of pulling my hair to figure this one out.  It could also be a bad power supply.  The error messages you get with a bad power supply will curl your hair. BEORE YOU DO ANY OF THE ABOVE, TRY RUNNING SP2 AGAIN!

>I had updated my Win XP to service pack 2. The system running fine for few days and then suddenly there is an error message box
>
>" This system is shutting down. Please save all work in progress and log off. Any unsaved changes will be lost. This shutdown was initiated by NT Authority\System
>
>Time before shutdown : 00:00:xx
>
>Message:
>Windows must now restart because the Remote Procedure Call (RPC) service terminated unexpectedly
>"
>
>I suspect this was caused my W32.blaster.worm and do a virus scanning and run the fix tool but couldn't find any.
>
>This system also become very slow especially during booting-up time.
>
>I am also cannot start RPC service in the system.
>
>Anything else I can do apart from formating and re-installing the OS.
>


__________________________________________________________________
Switch to Netscape Internet Service.
As low as $9.95 a month -- Sign up today at http://isp.netscape.com/register

Netscape. Just the Net You Need.

New! Netscape Toolbar for Internet Explorer
Search from anywhere on the Web and block those annoying pop-ups.
Download now at http://channels.netscape.com/ns/search/install.jsp

             Do you want to signoff PCSOFT or just change to
                    Digest mode - visit our web site:
                   http://freepctech.com/pcsoft.shtml