Check out this ms article it lists your stop error.
http://support.microsoft.com/kb/916595
"FinnyD" wrote:
> Experiencing random BSOD (Blue Screen of Death). Always seems to involve the
> file symfw.sys which is part of the Symantec Client Services (aka corporate
> versions of Symantec Firewall & Antivirus v10.0.2.2000)
>
> This is on a Gateway Laptop running WinXP Home SP2. Wirelessesly connected
> to network. Not sure what else would be usefull for you to know.
>
> Symantec's Website is no help.