For those of you who are experiencing this type of problem:
Where your window will pop up an error message regarding the NY Authority \ System and Remote Procedure Call (RPC) - and after 60 seconds, the system will be forced to shut down.
Here is how you can fix it.
First, go to :
http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.removal.tool.html and download the virus removal tool. (Don't forget to read the instructions)
After you have downloaded (saved on desktop or in local drive) the virus removal tool, then
and click on
"Get more technical details about this update"
There should be a list of different versions of patches that you can down. Select the patch that matches your Windows version.
Save it some where on your desktop (or local drive).
(Even if you don't have w32.blaster.worm problem, you might want to install the patches to prevent any future infection)
For Windows XP user, don't forget to turn off System Restore option.
Log back onto Windows in Safe Mode.
Run the Virus Removal Tool.
After the virus has been removed, run the Windows Patch.
Restart the computer in normal mode.
And it should solve the problem.
Another way to go around this, is to go to http://www.windowsupdate.com and download all the available security updates.