Win10: Windows Defender not working properly after Windows Update

Discussion in 'PC' started by cheeseman909, Sep 1, 2018.

  1. cheeseman909

    cheeseman909 Ultrasonic

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    Hi,
    My Windows 10 (Build 10240) started to Update Windows (without asking me)!
    I seems the update stopped some days ago and now I can't open Windows Defender.
    Error message: An error occurred...Error code 0x800b0100.
    But Windows Defender is still active, because after reading some folder, a small window appeared
    and told me some malicious files are now deleted.
    I didn't installed any other AntiVirus/Malware programs!
    The only thing what was suddenly installed 2 weeks ago: "Windows10-Update-Assistent".
    I tried "sfc /scannow" in Dosbox without success.

    Q1: How can I repair Windows Defender without reinstalling Win10 or Updating whole Windows to 1803 ?

    Q2: What is the best method to stop all updates for Windows 10 ?
    I tried to stop the "Windows Update" service, but after some weeks he started the updates anyway.
     
    Last edited: Sep 1, 2018
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  3. bluerover

    bluerover Rock Star

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    I use this (..see link below) to disable automatic updates. I also use it to completely disable DEFENDER. As a matter of fact, I disable EVERYTHING that this program has an option for - like 50+ (...or so) options to disable certain services and functions. Just "select all" and disable if you want to.

    Anyway, if you just want to disable auto-updates, then just check that particular box and apply.

    As far as repairing your DEFENDER, I have no idea. I hate DEFENDER.

    https://pxc-coding.com/donotspy10/
     
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  4. peterA

    peterA Kapellmeister

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  5. cheeseman909

    cheeseman909 Ultrasonic

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    Hi bluerover,
    thanks for your response.
    I used Windows Defender (essentials) still under Win7 and it worked perfect. Windows is fast and no Malware/Virus since on my systems.
    If you don't use Defender, which other Antimalware/Antivirus prog are you using?
    "Do not Spy" sounds nice. Never heard of it. Is it recommended?
     
  6. cheeseman909

    cheeseman909 Ultrasonic

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  7. cheeseman909

    cheeseman909 Ultrasonic

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    And the bad news: Windows Defender deleted some files (maybe keygens) but I don't know which keygens and where did he put them?
     
  8. Daskeladden

    Daskeladden Ultrasonic

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    edit: post deleted
     
    Last edited: Sep 1, 2018
  9. cheeseman909

    cheeseman909 Ultrasonic

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    I already done this. "Windows Defender Antivirus service" is automatic and running.
     
  10. cheeseman909

    cheeseman909 Ultrasonic

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    OK, I upgrated my Win10 to 1803. Windows Defender is now working.
     
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