Task scheduler unable to load task status/active tasks at startup.

pxfragonard · Mar 19, 2012

My task manager is unable to load task status/active tasks at startup.

I get the message: "The selected task "{0}" no longer exists. To see the current tasks, click Refresh."

When I refresh I get the same message.

I checked and found that under Microsoft the problem was in the defrag folder. The same message recurs: "The selected task "{0}" no longer exists. To see the current tasks, click Refresh."

These messages did not occur earlier. I can't help wondering if I changed the details of the scheduler through the disk defragmenter program and that caused some kind of conflict.

I tried turning off the schedule and then deleting it from Task Scheduler. I tried recreating it in Task Scheduler and ran into some problems (screen shot 5). All these things work fine until I reboot. Then the problem recurs.

I tried running system file check but there were no irregularities found.

Roderunner · Mar 19, 2012

Check the problem tasks are set correctly. View attachment Task Scheduler.pdf

pxfragonard · Mar 19, 2012

Roderunner said:
Check the problem tasks are set correctly. View attachment 203524

Thanks Roderunner... I did that except I chose monthly (why defrag weekly?)

Roderunner · Mar 19, 2012

Happy to have helped. My defrag app is Auslogics. I only use it if a defrag is analysed as required.

pxfragonard · Mar 20, 2012

But the problem is that tasks are not running and the scheduler not available now because of this problem... i think this could mean trouble brewing.

Roderunner · Mar 20, 2012

It could be a damaged or missing file, read this. View attachment CMD Commands.pdf

pxfragonard · Mar 20, 2012

Thanks, I did run scannow twice and no issue was found.

Actually, restarting the computer is the action that causes the problem. If I go into the defrag program directly, alter the schedule slightly and restart Task Scheduler the problem disappears.... until I reboot! Then it tells me the task no longer exists and to check to see if the folder exists (it does). The file ScheduledDefrag is in it.

I wonder if deleting the file C:\Windows\System32\Tasks\Microsoft\Windows\Defrag\ScheduledDefrag and restarting the computer might force the file to be remade, as in rebuilding a windows media player library...

but I don't like doing that kind of thing because my understanding of computers is very limited.

pxfragonard · Mar 20, 2012

Additional info: If I open Task Sched after reboot I get the error message. If I click on Microsoft-Windows-Defrag I get the same message but if I don't and just click the schedule I can see that defrag is listed.

I also note that the times for the action were at variance probably because at some point the sched was set in defrag itself... I tried exporting the action into the folder C:\Windows\System32\Tasks\Microsoft\Windows\Defrag but I found the existence of that xml file didn't help.

Roderunner · Mar 20, 2012

This is the program I use. Disk Defrag - Fast and Safe Defragmenter for Your Disks
What other programs are giving trouble?

pxfragonard · Mar 20, 2012

My problem is with the Task Scheduler, as I've written above. Never mind... I tried to restore and now everything has disappeared - even the program files folder... every application dead, unable to restore after restoring to an earlier point and trying to reinstall Norton... back to factory settings I guess cause it won't allow me to restore from the image I made on an external, which makes me wonder why I did it in the first place... maybe after factory settings are restored I can restore from that image... I hope!

Thanks anyway. I wasn't looking for a disc defragmenter.

brianzion · Mar 20, 2012

please read this Task Scheduler corrupt tasks at this link >>> Task Scheduler corrupt tasks

pxfragonard · Mar 20, 2012

brianzion said:
please read this Task Scheduler corrupt tasks at this link >>> Task Scheduler corrupt tasks

Thanks very much. Too late! After trying to restore and finding everything gone (!) including Program Files, all programs (!) I'm now trying to restore from an image made at the beginning of the month. Even the system restore didn't work inside windows so I used F8 to get to the restore from there and it seems to be working, recognizing the external drive where I backed up... this will be so much better than the two system restores to factory settings I had to do this year... I hope!!!

I'm going to bookmark your linked page though and come back and read it when I have time.

Teerex · May 17, 2012

This is a bug in Microsoft's own settings - it seems that you can corrupt the Task Scheduler store simply by using the settings in the Disk Defragmenter UI.

This should get fixed by Microsoft.

pxfragonard · May 17, 2012

Teerex said:
This is a bug in Microsoft's own settings - it seems that you can corrupt the Task Scheduler store simply by using the settings in the Disk Defragmenter UI.

This should get fixed by Microsoft.

Thanks Teerex. I'm afraid it got worse and I had to restore again though this time from a system image and that was better.... I'm just accepting the default defrag and backup (I actually had the problem in the backup command which was in two conflicting schedules: Task Management and the backup and restore's own scheduler.

Teerex · May 17, 2012

The bug is triggered by changing the schedule to monthly and then disabling it. It's weird but it exists.

pxfragonard · May 17, 2012

Teerex said:
The bug is triggered by changing the schedule to monthly and then disabling it. It's weird but it exists.

yup that sounds familiar... what i did

Teerex · May 17, 2012

It can be simply fixed by reenabling the task and setting it to weekly.

Task scheduler unable to load task status/active tasks at startup.

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