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  1. Join Date : Aug 2016
    S/E England
    Posts : 800
    Windows 10 Home x64 (1607)
       08 Sep 2016 #41

    I've never understood the need some people feel to set up a scheduled task to run a Defender scan. For the past year the automatic maintenance has run Defender scans for me.

    That is, until the Anniversary Upgrade - it broke something and Defender never ran another scan. It finally alerted me that a scan was long overdue. I followed the suggestion on another thread...
    Windows Defender No Longer Performs AutoScan
    ...and the automatic maintenance scans are back to running regularly again.
      My System SpecsSystem Spec


  2. Join Date : Aug 2014
    Posts : 120
    Windows 10 Home
       08 Sep 2016 #42

    Bree said: View Post
    I've never understood the need some people feel to set up a scheduled task to run a Defender scan. For the past year the automatic maintenance has run Defender scans for me.
    The criteria for Defender to run a scan as part of Automatic Maintenance are clear. And restrictive. I like to use my computer. If Defender has started a scan as part of maintenance, touching the computer will stop it. The scan will not be considered complete even if it was one second away from the end. Defender needs the computer to be idle for the scan to run. I like my computer to go to sleep after non activity. I don't like to waste energy by leaving a computer on and untouched waiting for a scan to start.

    If Defender as part of Automatic Maintenance works for you that's great but don't think there aren't reasons some would want to have the scan run when they want.
      My System SpecsSystem Spec


  3. Join Date : Aug 2016
    Posts : 28
    windows 10 Home
       16 Sep 2016 #43

    Update

    Automatic maintenance scan for Defender has not run since my OP. Just checked now and it has run? I have changed nothing.
    Will it run tomorrow? Who knows?
    Go figure.
      My System SpecsSystem Spec


  4. Join Date : Aug 2016
    Posts : 28
    windows 10 Home
       18 Sep 2016 #44

    Update 2
    For those interested, automatic maintenance scan worked only once on 16th Sept. This was exactly seven days after the last one. It has not run since. I checked Task Scheduler (Task Scheduler Local / Task Scheduler Library /Microsoft/ Windows / Windows Defender) every day to confirm the Task ran.

    Does anybody have AU version with Defender performing regular automatic scans?
      My System SpecsSystem Spec


  5. Join Date : Aug 2014
    Posts : 120
    Windows 10 Home
       18 Sep 2016 #45

    Jeddie said: View Post
    Update 2
    For those interested, automatic maintenance scan worked only once on 16th Sept. This was exactly seven days after the last one. It has not run since. I checked Task Scheduler (Task Scheduler Local / Task Scheduler Library /Microsoft/ Windows / Windows Defender) every day to confirm the Task ran.

    Does anybody have AU version with Defender performing regular automatic scans?
    Are you allowing the Auto Maintenance scan the proper "conditions" to run? The computer needs to be idle, probably at least 10 or 15 minutes. Meaning you can't have it set to sleep until at least 30 minutes. Assuming the scan starts after being idle long enough, the computer can't be touched. Any activity including touching the mouse or trackpad will immediately stop the scan. If you do all that it "should" run. IME it's a separate, scheduled task for a scan that will not run.
    Last edited by bru; 18 Sep 2016 at 10:01.
      My System SpecsSystem Spec


  6. Join Date : Aug 2016
    Posts : 28
    windows 10 Home
       19 Sep 2016 #46

    Hi Bru,
    Yes I am aware of the conditions for Automatic Maintenance to run.
    Attached is screenshot from my Task Scheduler (Task Scheduler Local / Task Scheduler Library /Microsoft/ Windows / Windows Defender) from today. This is typical of every day.

    Click image for larger version. 

Name:	Capture.PNG 
Views:	0 
Size:	17.0 KB 
ID:	102158

    You can see 3 of the 4 tasks ran. As usual the 'Windows Defender Scheduled Scan' did not run. It shows (0x2) error.

    Hence my question > Does anybody have AU version with Defender performing regular automatic scans?
    Last edited by Jeddie; 19 Sep 2016 at 05:40.
      My System SpecsSystem Spec


  7. Join Date : Aug 2014
    Posts : 120
    Windows 10 Home
       19 Sep 2016 #47

    The other three tasks related to Defender run for me and I assume others as well. 0x2 is the issue, whether for the Quick Scan that's part of Automatic Maintenance or a separate scheduled task.
      My System SpecsSystem Spec


  8. Join Date : Oct 2014
    Posts : 325
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64
       19 Sep 2016 #48

    In Task Scheduler Actions Enable All Tasks History
    Then after it fails look at the History tab for that task
    See if you can find any message/info that might help.
      My System SpecsSystem Spec


  9. Join Date : Aug 2014
    Posts : 120
    Windows 10 Home
       22 Sep 2016 #49

    I can't take the credit but I have been able to finally schedule a task that will allow a Quick Scan to run when I want it to. I have disabled the Automatic Maintenance Quick Scan since its limitations were not to my liking. I can share the parameters for the task if someone is interested but I think this thread was mainly focused on the Automatic Maintenance scan.
      My System SpecsSystem Spec


  10. Join Date : Feb 2016
    Posts : 4
    Windows 10 Pro 64bit 1607/14393.222
       29 Sep 2016 #50

    bru said: View Post
    I can't take the credit but I have been able to finally schedule a task that will allow a Quick Scan to run when I want it to. I have disabled the Automatic Maintenance Quick Scan since its limitations were not to my liking. I can share the parameters for the task if someone is interested but I think this thread was mainly focused on the Automatic Maintenance scan.
    Bru,

    I'm also consistently getting this '(0x2)' on the Windows Defender Scheduled Scan Task just like Jeddie's screen shot, while the other 3 are fine. So I would be interested in your parameters for getting a Quick Scan to work. Thanks!
      My System SpecsSystem Spec


 
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