Blue error screen, help!!

  About every hour or so my PC keeps bringing up the blue screen and shutting
down (I have Windows XP Media Edition).
I keep getting a message very similar to this:

Technical information:
*** STOP: 0x0000008E (0xC0000005, 0xF85272CC, 0xF88C8990, 0x00000000)
*** MpFirewall.sys - Address F85272CC base at F8525000, DateStamp 3df0c071


Does this mean I need to re-install my firewall or is it something more than
that? Any advice would be much appreciated, thanks in advance!

 McAfee apparently have an update for the problem.  Contact them.
http://oca.microsoft.com/en/Response.aspx?SID=739
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Cari (MS-MVP) Windows Client - Printing & Imaging
www.coribright.com/Windows