>I think my application is locking up on the client. While testing my app they can not switch to other applications, clicking the start button does nothing, alt+ctrl+delete does not display the close program wnidow, they are hosed. There seems to be pattern to the locking up. I have found corrupted data in the free tables. Could corrupted data cause the app to lock up?
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>Brenda

Corrupted data could cause FoxPro to do strange things. If you haven't done so already, you might run ScanDisk to fix any possible damaged files on the hard drive. Corrupted files can definitely cause unpredictable behavior.