Josh said:
After being connected to the internet for a few minutes a
message comes up and says "windows must restart because
the Remote Procedure Call "RPC" service terminated
unexpectedly. What's going on?
You have been infected with the W32/Lovsan worm,
also refered to as the msblast worm, or RPC worm:
http://www.microsoft.com/security/incident/blast.asp
Disconnect the network cable from the infected machine
untill you have completed disinfection.
Get a firewall up immediately.
Then download and install the patch from here:
( be sure to get the correct one. )
http://support.microsoft.com/?kbid=823980
The following page contains a link to a standalone removal
tool which you can download and run:
(Read the notes for XP users re. System Restore.)
http://vil.nai.com/vil/content/v_100547.htm
Also, you may want to visit windowsupdate from time to time and
pick up the latest Critical updates. These are often released to plug
any security hole before any malicious code is in the wild which
exploits that hole. This security hole was plugged around a month ago.