Task Scheduler error {0}

The Error:

“The selected task “{0}” no longer exists. to see the current task, click refresh”

The Problem:

A task is out of sync with task scheduler

The Fix:

  1. make sure you have a backup of your C drive before you try the below steps
  2. Open task scheduler
  3. click the top most tree
  4. Count the number of errors you click ok on.
  5. close task scheduler (must do this step as you will only get the error once)
  6. Open task scheduler
  7. expand the task tree (don’t click on the top of the tree)
  8. start going down the tree task by task and click on each one. Record what tasks give you the errors and until you find all of them you counted in step 3
  9. go to %SystemFolder%\Tasks
  10. find the tasks that gave you the error and delete them.
  11. reopen task scheduler and the errors should be gone if completed correctly.

In my case I only had one with an error and it was disk defrag, so I opened up disk defrag and disabled the schedule and re-enabled it to recreate the window task.

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