Follow these steps:
Do one of the following:
Windows 2000: Right-click the My Computer icon on the
Windows desktop, and then click Manage. The Computer
Management window opens.
Windows XP: Click the Start button, right-click the My
Computer icon, click Manage. The Computer Management
window opens.
In the left pane, double-click Services and Applications,
and then select Services. A list of services appears.
In the right pane, locate the Remote Procedure Call (RPC)
service.
CAUTION: There is also a service named Remote Procedure
Call (RPC) Locator. Do not confuse the two.
Right-click the Remote Procedure Call (RPC) service, and
then click Properties.
Click the Recovery tab.
Using the drop-down lists, change First failure, Second
failure, and Subsequent failures to "Restart the
Service."
Click Apply, and then click OK.
CAUTION: Make sure that you change these settings back
when you have removed the worm.