my computer shutdown automatically

[katana]

my computer auto reboot everytime i connect to the
internet for a few minutes... description:

The process winlogon.exe has initiated the restart of
SAMURA-YHCCPFTF for the following reason: No title for
this reason could be found
Minor Reason: 0xff
Shutdown Type: reboot
Comment: Windows must now restart because the Remote
Procedure Call (RPC) service terminated unexpectedly

can i fix this error

 

[Thorsten Matzner]

my computer auto reboot everytime i connect to the
internet for a few minutes... description:

See "Virus Alert About the Blaster Worm and Its Variants"
(http://support.microsoft.com/?kbid=826955).