Hi John,
>i want to check due date. so if there are not any forms open in my system and even if it is running in minimized mode, as soon as due date comes, it should popup the message.
We are only talking about a day? What about using the Windows Task Scheduler (the one that always tries to optimize your hard disk by default) and let it launch a program once a day. This program than could check all clients in a regular interval (once a day, or even every hour, or so) and report anything to the user. No VFP timer involved, your VFP application doesn't have to run, and Windows takes care of it.
Christof
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Christof