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            -/> "the Remote Procedure Call Service has terminated 
                 unexpectedly...Windows will close in 60 seconds...NT
                 Authority\System" Error Message </-

This is a classic symptom of the blaster worm, to fix this download the 
patch from microsoft:
http://support.microsoft.com/?kbid=823980

more information on blaster worm:
http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html