windows xp virus

From: william (anonymous_at_discussions.microsoft.com)
Date: 03/26/04 

Date: Fri, 26 Mar 2004 11:52:30 -0800

My McAfee Virus-Scan tells me that I have an infected
file named " C:\WINDOWS\BBSTORE\DSS\DSSAGENT.EXE ".
McAfee also tells me that I cannot delete, clean or
quarantine this file. So what do I do??