check your engine is 4.1.60 also, why are you scanning network drives? you should have your AV on the fileserver locally scaning the files -----Original Message----- From: Ruud Bransen [mailto:rb@xxxxxxxxxxx] Environment: File/printserver: W2K (sp2) with Netshield (4.5 sp1) Citrixservers: MF XP (FR2/SP2) - W2K (SP2) - No virusscanner Opening a document (500KB) in Excel, Word, etc. from the file and printserver is taking about 40 seconds when Netshield is activated. It takes about 1 second when Netshield is not activated. Can anyone point me in some direction. TAI.