Could Cisco Security Agent be blowing away user profiles for our Sharp network scanner?

We have a Sharp MX2700 MFP networked at our office, with 40 + employees set up in the address book to scan to a folder on his/her desktop (WinXP Pro).  The Sharp Network Scanner Tool is configured to start at startup and run in the background, allowing a automatic profile refreshes and communication with the scanner.  Until recently, all was fine.  Now, when we attempt to scan to any desktop, we get the error "Selected server not found".  At the desktop in question, if we open up the NST, we see that the profile is blank (blown away by Cisco or something else?).  We can "auto-detect" (and find) the MX2700 on the network, but when we try to add a new profile and update the scanner with the new profile information, we get the errors, "Application cannot continue, please restart the application", and "Error in saving application data to the data file."  These same error messages occur now even when I try a first-time installation of the NST on a computer on the network.  Is this in fact a Cisco issue, and if so, what do I tell out home office network support group in order to get this resolved?

Our SHARP rep and I are fairly positive the problem is not with the Sharp hardward or software, yet our home office network support tells me that Cisco Security Agent is not to blame (the home office controls all the network security; I do not have access to that).  

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