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Konstantinos Tsoukalas

Konstantinos is the founder and administrator of Since 1995 he works and provides IT support as a computer and network expert to individuals and large companies. He is specialized in solving problems related to Windows or other Microsoft products (Windows Server, Office, Microsoft 365, etc.).


  1. Alavanzo Danzi
    January 16, 2024 @ 9:54 am

    THANK YOU! You saved my life by saving my sanity. This wretched explorer thing (not being able to right click and open my files) is now fixed after your last approach "REPAIR AND UPGRADE WINDOWS 10 FROM THE WINDOWS.ISO FILE."

    Whew! I thought I would have to take my laptop in and leave it at a service center for fixing.

    You Rock! Now I just have to figure out how to get hte files to reflect the right thumbnails instead of showing a blank white sheet. That I'm sure is an easier proposition.

    Thanks again


  2. ANYIM
    August 1, 2023 @ 2:12 pm

    Work perfectly


  3. Boris
    June 6, 2023 @ 7:42 am

    Thanks, it was a great help, easy to follow. Everything worked smoothly.
    Thanks very much and have a super day!


  4. keno007
    January 17, 2023 @ 6:57 am

    THANK YOU! It works nice and smoothly!


  5. Massacher
    April 29, 2022 @ 6:22 am

    I can't select keep files and apps. Its greyed out.

    I'm on Windows 11.

    I've tried many things to try and fix it. The Microsoft store won't open. Neither will the firewall or Xbox app.

    I've even edited the registry to give permission to certain services. No luck.

    Still can't open the firewall.


    • lakonst
      April 29, 2022 @ 9:20 am

      1. If you have installed a third party antivirus > uninstall it.
      2. Check you computer for malware by following the steps in this guide.
      3. Download the Windows 11 Media Creation Tool. and try to repair your system.
      4. if the above fails, backup your files to another storage device and perform a clean install of Windows 11.


  6. RJ
    August 23, 2021 @ 8:25 pm

    Finally! A solution that works!


  7. Mandy
    December 2, 2019 @ 8:18 pm

    Many thanks for this article – it worked for me to my great relief !! My computer was on W10 v 1803 and Windows Update would not update to either 1903 or 1909, had tried various other things but nothing worked – you really saved the day !


  8. Ern
    October 22, 2019 @ 10:51 am


    The sound was not working on my laptop since a Windows update, a repair shop told me I have to reinstall W10 and lose my apps, lose 5-6 hours to reinstall everything.
    But I gave it a try, used Media Creation Tool, launched the reinstallation of W10, and after about 1.5 hour woprking by itself, my PC was… repaired!!!! The sound works now (never been so happy to hear Win startup sound) And all the apps, the emails etc, seem to be there as I just left them.
    I see it also repaired small bugs in Start menu, so everything seems wonderful,

    Thanks to the author of this article!


  9. Michael
    October 1, 2019 @ 11:20 am

    Didn't have a USB drive big enough so I used a portable hard drive, yes, the one with my backups on it. Didn't realize it's going to format the drive! It's okay though, it's just a backup drive so I'm going to reformat it after and copy the files over from my C: drive again.

    Do consider putting a red bold attention note to this though! Might save some people's sanity.


  10. Alex Leblanc
    September 7, 2019 @ 4:28 pm

    none of them worked for me either … how come a multi-billion dollars compagny release non-working update in 2019 ?? will have to switch to linux or apple


    • h
      October 31, 2019 @ 3:36 pm

      haha, just wait till it fails there. (it did multiple times for me. )

      truth is, there is no perfect software, and the sad part is, we really got not much choice. each one is flawed without exceptions.


    • ot tap
      November 4, 2021 @ 1:00 pm

      money for them


  11. Jack Grace
    July 7, 2019 @ 11:48 pm

    None of this works for me. I can sign onto my computer but it then toggles back and forth between a screen telling me the systemprofile desktop is unavailable or totally black screen or a black screen with a start button and a couple of other icons. Clicking on anything on the screen or toolbar is ineffective.

    I am ready to switch to Apple. A company that does this to me through updates does not deserve my business.


  12. Wayne
    March 7, 2019 @ 4:20 pm

    Hi, what happens if none of the above options work? I still get a black screen and end up having to force shutdown meaning it always reverts back to 1703 – I just can’t update past this version! I’ve exhausted all other options!


    • lakonst
      March 7, 2019 @ 8:20 pm

      Wayne: Backup your files and perform a clean Windows installation.


    • Vipin Prakash
      June 21, 2019 @ 6:24 am

      Hi Wayne, I'm also having this same issue. May I know how you fixed it? Did you do a clean Windows installation and fixed it? Are you able to update to the latest Windows Update May 2019? I'm not. Still the same black screen.


  13. Lutfi Burhananda
    July 26, 2018 @ 7:09 am

    Will this procedure wipe all my installed programs and data?


    • lakonst
      February 8, 2019 @ 10:25 am

      @Lutfi Burhananda: The default repair process will keep all your files, personal settings and apps untouched.


  14. Chris Connolly
    July 8, 2018 @ 5:55 pm

    Worked fine for me after I made sure that only Defender and Edge were in use and not any other anti-virus or browser.
    Many thanks, I must have tried 20 times before!


  15. MichaelV
    March 12, 2018 @ 8:25 pm

    Followed steps but Windows 10 version 1709 failed to install.
    I have tried numerous times and it always fails to install. I can no longer update windows. Any suggestions?


  16. Julian
    August 16, 2016 @ 2:13 pm

    With Windows 10 Enterprise it doesn't work… always a message appears about I need to request the update to our network admin.
    Is there any way in order to force this update in a Windows 10 Enterprise?
    Thanks very much!!


    • lakonst
      August 16, 2016 @ 2:34 pm

      @Julian: I don't know why this happens. Maybe your network administrator has disabled the upgrade.
      Also, maybe the "Defer Upgrade" setting is set to enabled:
      1. Press the Windows-key + R keys and in the Run command box type gpedit.msc and press enter
      2. Navigate to Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Windows Update.
      3. Check if "Defer Upgrade" is enabled. If it is, Disable it or set it to Not configured.
      Good luck!


      • Julian
        August 16, 2016 @ 6:19 pm

        Hi lakonst,

        I have it as not configured. I think about it was disabled by our network admin… he likes be important…. :) by this way, my development team and me need to request it to him… hehe

        I will try to override sccm by modifying any policy.

        Thanks very much!!


        • Anonymous
          March 14, 2018 @ 10:35 pm

          1. Open registry editor (Start menu –> Run –> regedit)
          2. Find the following path HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
          3. Chage the value of the UseWUServer from 1 to 0 (double click on it, change the value and click OK)
          4. Restart Windows Update service (Start menu –> Run –> services.msc, find the Windows Update service and click on Restart)
          That’s all. Now you can download updates again.


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