>Out of nowhere I am starting to get a lot of complaints from my customers with "a file is locked" error or "cursor is read only". I'm talking about customers that have not had an update for over 6 years and new customers so I know it's not my software. Has anyone else seen this? My guess is M$ put out an update? I'm getting this on 6 year old XP PCs and new Win 7 PCs. Any guesses? Maybe an anti-virus program? Hmmm, just realized a lot of them are running M$ Security Essentials but I can't say for sure it's all of them.
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>Any idea is very appreciated.

If possible, check to see if problem goes away after suspending antivirus operation. If the problems go away whenever the antivirus isn't operating, then we could try the following:
* Configure antivirus so that files ending with extension DBF, FPT, CDX, DBC, DCT, and DCX are excluded from being scanned.
* Configure antivirus so that file activity from your program isn't being monitored.