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  1. Joined : Oct 2013
    Posts : 17,390
    64-bit Windows 10 Pro build 15007
       2016-02-27 #60

    sahafiec said: View Post
    a guide how to free the space taken by Defender on the drive would be very useful.
    my "C:\ProgramData\Microsoft\Windows Defender" folder is almost 800MB, such a waste in my opinion.
    Hello sahafiec,

    You could run Disk Cleanup to free up space for Windows Defender and other items.

    Disk Cleanup - Open and Use in Windows 10
      My System SpecsSystem Spec


  2. Joined : Feb 2016
    Izmir
    Posts : 90
    Windows 10 Pro 64bit
       2016-02-27 #61

    thanks Brink, I do it regularly.
    I just don't understand why Defender should take so much space.
    it backs up scans, definitions and tons of other thigs.
    just imagine Defender alone takes almost as much space as a WinXP installation.
    something is going wrong there, just because drives are getting bigger we don't need to fill them with trash, do we!?
      My System SpecsSystem Spec


  3. Joined : Mar 2016
    Posts : 4
    windows 10
       2016-03-17 #62

    HI everyone
    I am also getting the defender error and found this forum via M-soft and have followed all the advice but nothing has happened or changed.
    http://answers.microsoft.com/en-us/p...8-07da52ab0502
    This is what I have done;
    I deleted my Norton using the removal tool and restarted the pc then
    I tried your link
    Windows Defender - Turn On or Off in Windows 10

    I typed this into the run box HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
    and it didn't work
    so I did regedit and went to defender that way and again nothing happened
    I have even tried "DWORD" in the run box and again nothing happened

    what am I dong wrong?
    Please keep it simple
    I have windows 10 home installed

    Thanks
      My System SpecsSystem Spec


  4. Joined : Oct 2013
    Posts : 17,390
    64-bit Windows 10 Pro build 15007
       2016-03-17 #63

    Hello Pash, and welcome to Ten Forums.

    What error are you getting?

    If for Windows Update, then you might see if resetting Windows Update may help.

    Windows Update - Reset in Windows 10
      My System SpecsSystem Spec


  5. Joined : Mar 2016
    Posts : 4
    windows 10
       2016-03-17 #64

    Hi Brink
    It was the windows defender and Norton issue and me panicing but it seems to have sorted it self out now
    so happy days again
    I did try your How to Turn On or Off Windows Defender in Windows 10 yesterday but nothing seemed to work and then this morning I still had that defender message again of the failed update after doing a windows update
    but this afternoon everything is ok again


    Thanks for getting back to me
      My System SpecsSystem Spec


  6. Joined : Oct 2013
    Posts : 17,390
    64-bit Windows 10 Pro build 15007
       2016-03-17 #65

    Great news Pash.
      My System SpecsSystem Spec


  7. Joined : Mar 2016
    Posts : 4
    Windows 10
       2016-03-21 #66

    I'm having a very similar problem and have read through the suggestions. As far as I know the only malware program I have in addition to Defender is Malwarebytes, which I have to manually activate because I have the free version which doesn't run in real time. It's basically a backup to Defender for scanning occasionally. I've both running on my system since upgrading to Windows 10 with no problem. This seems to have started since the last Windows update on March 8.


    Now I'm getting the popup from Defender saying my computer is at risk. When I go into Defender to turn it on, it times out and fails to turn on. No amount of time I wait after restarting makes a difference. I've been on the computer for half an hour, and it's still off according to Defender. However, when I look at my security panel, it shows everything on. So...this is what I see:





    Which screen is correct and what can I do about this? It's becoming very frustrating not knowing if my system is really at risk or not.

    I've read about both the reg edit to disable the notification and to force Defender on, and also saw a post on Microsoft forums that says this is an issue with recent windows updates and a permissions glitch.
      My System SpecsSystem Spec


  8. Joined : Oct 2013
    Posts : 17,390
    64-bit Windows 10 Pro build 15007
       2016-03-21 #67

    Hello Stormhawke, and welcome to Ten Forums.

    It looks like you may just need to turn on real-time protection in Windows Defender.

    Windows Defender Real-time Protection - Turn On or Off in Windows 10
      My System SpecsSystem Spec


  9. Joined : Mar 2016
    Posts : 4
    Windows 10
       2016-03-21 #68

    Brink said: View Post
    Hello Stormhawke, and welcome to Ten Forums.

    It looks like you may just need to turn on real-time protection in Windows Defender.

    Windows Defender Real-time Protection - Turn On or Off in Windows 10
    Thank you. I did read that post, and most of it seems irrelevant because every setting except for the program itself tells me Real Time Protection is already on (as shown in the picture in my above post). I don't show the Settings screen, but it also says WD is on. So I can't follow those steps anyway.

    That only leaves option 4 in that post, which asks me to download something I don't know if I can trust. It still begs the question, how can the program be saying it's off, but my control panel and settings say it's on, and which is correct?
      My System SpecsSystem Spec


  10. Joined : Oct 2013
    Posts : 17,390
    64-bit Windows 10 Pro build 15007
       2016-03-21 #69

    Your WD screenshot shows that real-time protection is off.

    Are you able to use OPTION TWO or OPTION THREE below to turn it on?

    Windows Defender Real-time Protection - Turn On or Off in Windows 10
      My System SpecsSystem Spec


 
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