Click Start
Click Run
Type in: services.msc
ENTER
The box that comes up has an alphabetical list of services.
Use the scroll bar on the right and go down to "Remote Procedure Call (RPC)"
Right click on it.
Click Properties.
Click Recovery tab
Click drop down by "First Failure"
Select "Restart the service"
Click OK.
for a quick removal tool for the
MSBlast worm and a link to the Microsoft patch to prevent future infection.
Then update your antivirus software and scan your system.