Task Scheduler – Cannot Quit Visual Foxpro

I’ve got a new VFP application that we’re running automatically with Task Scheduler in Windows Server 2012. The app is set to run every 20 minutes. Sometimes though the app will run longer than that.

No big problem. I use WBEMScripting.SWBEMLocator to check if the app is already running and just quit if it is.

Two or three times a day though, I’d find my app hanging with a “Cannot Quit Visual Foxpro” message on it. Once I click OK, the app continues running. There’s certainly nothing in the program that would be trying to quit. There wasn’t any thing I could do manually to make it try to quit. Task Scheduler is set to shut it down only if it runs for more than a day.

Not sure what to do, I changed Task Scheduler to instead run a batch file that starts the application rather than just starting the application directly. And… the problem went away. Not sure how, but it seems that Task Scheduler was occasionally trying to quit my app.

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