Windows 7 Task Scheduler Issue

Running Windows 7 Professional SP-1, Task Scheduler recently began reporting "The selected task {0} no longer exists..."  I tried various published solutions, to no avail, and then deleted the "Microsoft" subfolder from the Windows>System32>Tasks folder, then from the Task Scheduler library.  That stopped the error from appearing.   Now I'd like to restore that subfolder, and then identify and delete the corrupt task.  I have copies of the Microsoft subfolder, made from the Windows>System32>Tasks folder before deleting anything. The TaskCache in the registry still contains the Microsoft subfolder and all the tasks within it.   Is there a location for the Task Scheduler database, which could be restored from a disk image?  Or some other way of importing all those tasks in bulk.  It would be impractical to import those tasks individually.
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ddantesAsked:
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jcimarronCommented:
ddantes--
Long shot.  Run SFC /SCANNOW from an Admin Command Prompt.

I am amazed the PC is still operating if you removed what you say you did.
ddantesAuthor Commented:
Thank you.  I tried that before posting, but it didn't restore the tasks.   I don't understand why those tasks don't appear in the Task Scheduler GUI if they are in the System32>Tasks folder and also in the TaskCache key of the registry.   Not understanding that  prompted me to ask if there is another task database which could be restored from a saved disc image.  Any thoughts on that?
jcimarronCommented:
ddantes--
The Tasks in the Folder you deleted are not those for Task Scheduler.

"The selected task {0} no longer exists...""  What was the selected task?

Are you sure you have a problem now?

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ddantesAuthor Commented:
I didn't know enough to isolate the selected task before removing the folder.  I've restored a saved disc image, so the issue got resolved.  Thank you for your comments.
jcimarronCommented:
ddantes--
You are welcome.
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Windows 7

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