Fix “The requested resource is in use (170)” error

Usually, the "The requested resource is in use (170)" status in the "Last start status" column means that the task is currently being executed. Advanced Task Scheduler starts task as a separate process and waits until it's finished.

From version 5.0 and later Advanced Task Scheduler displays status icon and human readable message in the "Last start status" column.

"The requested resource is in use" may mean the following:

  • If displayed with arrow icon, then the task is currently running. In this case the number of running instances is displayed in round brackets next to the icon.
  • If displayed with stop icon, then the task has finished with that error (you can find more information on the "Execution Log" tab of the "Task Properties" window).
  • You stopped the service while the task was running and that's the last remembered status.

Categories: Task scheduler

One response to “Fix “The requested resource is in use (170)” error”

  1. MParks says:

    Feb 7, 2020. I have the same issue on one text file download that runs daily. I’ve tried different (active user)(LocalSystem)(service user) then check or uncheck (use hidden desktop). It only completes once a week or randomly. No other download is in process. I tried uninstalling AV, raising priority of the task, etc. Guess I’ll reboot, delete the destination files and try again. Very frustrating. I will tell others this, sometimes for some weird reason downloads don’t work, I just change one thing and it works (proxy through your FW, port 8080 or whatever) works first time. This issue still exists for a year or more on a few jobs. Manual downloads from chrome or firefox work by the way on the exact same machine after a reboot so it’s some weird permissions or bug or I’m not educated enough.

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