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Windows 7: disk defragmenter cannot start becuase the task scheduler service

02 Dec 2011   #11
Sedril

Windows 7 Ultimate SP1 x64
 
 

Could be malware/virus?


My System SpecsSystem Spec
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03 Dec 2011   #12
Ztruker

Windows 10 Pro X64
 
 

Lots of cases of other people having the same error but I did not see a single instance in which a fix was provided. All did a new install. You could try the Repair option from System Recovery Options.

How to Run a Startup Repair in Windows 7

From that same menu you could try a System Restore or open a Command Prompt and run sfc /scannow.
My System SpecsSystem Spec
03 Dec 2011   #13
SiewKS

Windows 7 ultimate
 
 

Thanks for the comments. Re-format and re-installed Win7 and it worked properly. Should have done it in the first instance. Suspect it may have been from the third party driver providers when I was looking for my broadcom wireless card driver; even though I did not download their drivers but just stopped when they wanted to charge to download their driver. Later found out that the wireless driver was in the windows update.
Lesson learnt is after installing the Win7 OS to download all the Windows updates and install them before installing other programs.
My System SpecsSystem Spec
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04 Dec 2011   #14
Ztruker

Windows 10 Pro X64
 
 

Then create an image backup so if anything goes wrong it's simple to recover.
My System SpecsSystem Spec
05 Jan 2014   #15
kib0

windows 7 home 32bit
 
 

One thing that could keep you from doing defragment is your Administrator account doesn't have all privileges/permissions that you think it must have. Or even Administrators group hasn't been added to security list of the executable file you are trying to open (defrag.exe).

The following will help:
Open Computer -> right click on disk C: -> click properties ->hit security tab ->hit edit-> hit add-> hit advanced-> hit find now -> find your login name in the list you might add Administrator and Administrators as well -> hit ok-> hit ok-> find your name in the security list click on it and check allow on all permissions.
My System SpecsSystem Spec
28 Sep 2014   #16
fred66b

Windows 7
 
 
You need a "Defrag" folder in Task Scheduler

I deleted the "Defrag" folder in Task Scheduler because I only want to run Disk Defragment manually. However, Disk Defragment can only run if there is a "Defrag" folder in Task Scheduler. If you need to put it back, run Task Scheduler, go to Task Scheduler Library, Microsoft, Windows. If there is no "Defrag" folder, click New Folder, and add a "Defrag" folder. Then reboot and try to run Disk Defragment.
My System SpecsSystem Spec
14 Jan 2015   #17
smilesnj

windows 7 professional 64 bit
 
 
Solved task scheduler service cannot start local computer

To solve this
go to services
win+r and type services.msc
go to task scheduler and see if its stopped
than go to windows event log service and change its start up type to automatic, than click on start service
now go back to task scheduler service and change its start up type to automatic, than click on start service
and it will be solved
My System SpecsSystem Spec
06 May 2017   #18
geercom

Migrating from XP Pro 32 bit to 7 Home Premium 64 bit
 
 
Same issue here can't use defrag, can't start task sched

Same issue here can't use defrag, can't start task sched
My System SpecsSystem Spec
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 disk defragmenter cannot start becuase the task scheduler service




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