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Windows Update and Windows Defender problems - Aug 2017 RRS feed

  • Question

  • I asked this question at another Microsoft forum on 19 August 2017 - apparently that is the "Consumer" area and I should as an MSDN subscriber ask it here -

    https://answers.microsoft.com/en-us/protect/forum/protect_defender-protect_updating-windows_10/windows-update-and-windows-defender-problems-aug/f0e79b59-56fe-45a6-bf5e-c172937686ef

    I have tried all the suggestions of PrashantKumar96 which are referred to at my other post. I will update with that link shortly. 

    Windows Defender will not run, cannot start its Services. Last Quick Scan was 30/07/2017. No malware found.

    I had never had any other anti-malware/anti-virus software on this Windows 10 system, until after 19/08/2017.

    Downloaded, prepared and ran the Windows Defender Offline Tool - it found nothing.

    Windows Update fails to download the latest Definition Updates - repeated FAILURES - after many attempted remedies, 19/08

    "There were problems installing some updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help:

    Definition Update for Windows Defender - KB2267602 (Definition 1.249.1244.0) - Error 0x80070643"

    Last successful updates

    2017-08 Cumulative Update for Windows 10 Version 1703 for x64-based Systems (KB4034674)
    Successfully installed on 9/08/2017

    Windows Malicious Software Removal Tool for Windows 8, 8.1, 10 and Windows Server 2012, 2012 R2, 2016 x64 Edition - August 2017 (KB890830)
    Successfully installed on 9/08/2017

    My Windows system - 

    Windows 10 Pro 1703
    Build 15063.540

    Ran SFC /Scannow - no problems were found.

    Ran DISM.EXE - ran ScanHealth then RestoreHealth

    DISM /online /Cleanup-Image /RestoreHealth

    The restore operation completed successfully.
    The operation completed successfully.

    The initial install of Windows 10 PRO onto a new unused 250GB SSD was done from a DVD made from a MSDN Subscription ISO file, perhaps a month after the release.

    Since then, updates have installed relatively smoothly and there have been no serious malware interruptions aptart from tracking cookies from time to time.

    The last Windows Update that was done was on 9 August, this machine was used up to 11 August then not for about a week, and the problem with Defender definitions not installing was after that time. 

    Until 19/08/2017 onwards, all Windows / Defender updates were automatic (not via a download from the Windows Update Catalog). 

    The last 3 of these were - 

    2017-08 Cumulative Update for Windows 10 Version 1703 for x64-based Systems (KB4034674)
    Successfully installed on 9/08/2017
    2017-08 Security Update for Adobe Flash Player for Windows 10 Version 1703 for x64-based Systems (KB4034662)
    Successfully installed on 9/08/2017
    2017-07 Cumulative Update for Windows 10 Version 1703 for x64-based Systems (KB4032188)
    Successfully installed on 3/08/2017

    I'm out of ideas, suggestions at the other support area have not been successful. I'm loathe to install Windows from scratch. 

     

     

    Western Wombat

    Friday, August 25, 2017 7:11 AM

All replies

  • This post has a multi-step process for checking why Windows Defender won't start:

    Problems starting Windows Defender in Windows 8/8.1/10 < <http://bit.ly/1SIMUSz>>

    It was posted by PrashantKumar96.

    I've followed those steps several times over. I have also changed registry settings via Policy. None of these has cleared the problem. 

    Using Windows Update, I did remove KB4034674 and KB4034662 (see my post, above) and Windows Update on checking, re-installed both. 

    While Windows Defender will not start, Windows Update does - provided that the "next" update required is not a Defender Definition. 

    Update 26/08: tried numerous parameters with MpCmdRun.exe, but all of these fail.

    eg,  "C:\Program Files\Windows Defender\MpCmdRun.exe"  -SignatureUpdate -MMPC


    Western Wombat


    • Edited by gxdata Saturday, August 26, 2017 3:42 AM
    Friday, August 25, 2017 7:19 AM
  • Hi,

    Windows Defender will not run, cannot start its Services. Last Quick Scan was 30/07/2017. No malware found.

    What's meaning? Which services cannot be started? Any error when you attempt to start the services?

    For Windows Update issue, let's reset the Windows Update components:

    How do I reset Windows Update components?

    https://support.microsoft.com/en-in/help/971058/how-do-i-reset-windows-update-components


    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Monday, August 28, 2017 7:04 AM
    Moderator
  • Karen, please read my previous posts. All of those questions about starting/re-starting services have been answered by me, with images for some.

    I have tried all proposed registry and policy changes. 

    Also - Downloading defender definitions as separate executables; downloading windows update from the catalog.

    I am giving up on any solution to this problem - mark this question as Answer if you like.

    I will document my Windows 10 Pro install, using SIW (https://www.gtopala.com/siw) and by saving my \programdata\ folder, then wipe the SSD and reinstall the 1703 update from MSDN Downloads onto that vacant disk. 

    Very disappointed in what I believe was an insoluble problem caused by the July update to Creators. 


    Western Wombat

    Wednesday, August 30, 2017 2:28 AM
  • Windows Defender will not run, cannot start its Services. Last Quick Scan was 30/07/2017. No malware found.

    I had never had any other anti-malware/anti-virus software on this Windows 10 system, until after 19/08/2017.

    cf. https://answers.microsoft.com/thread/f0e79b59-56fe-45a6-bf5e-c172937686ef

    1. When (approx. date, preferably) did you do the clean install of Win10?

    2. When (approx. date) was Creators Update installed?

    3. Did you install Creators Update manually or was it offered and installed via Windows Update?

    4. Were you running Win10 Version 1703 or Win10 Version 1607 on 30 July 2017?

    5. What third-party anti-virus/anti-malware application did you install on 19 August 2017?


    ~Robear Dyer (PA Bear) MS MVP-Windows Client since 2002 Disclaimer: MS MVPs neither represent nor work for Microsoft

    Monday, September 4, 2017 4:48 AM