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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. Cihat Okan ARIKAN
    May 10, 2024 @ 10:04 pm

    Hi all,
    I don't know how it was done, several months ago, everything was working.. After upgraded to Win 11 23H2, suddenly, Start menu was started to not working, then Settings > Accounts and some other pages are started to not working…. I've tried every solutions recommended to fix them but all failed!
    Then, I've re-install Windows 11 23H2 on the current Windows (not a fresh install because of the softwares installed)… Start menu and other settings parts were fixed… But, this PIN problem is still not working! I tried all the fix suggestions here (and other sites) on regedit, gpedit, NGC folder, Microsoft account settings etc…
    None of them were working!! The PIN options always says, there's something wrong and Hello options currently unavailable message and PIN buttons disabled… TPM reset, TPM disable is also not working!!


    July 29, 2023 @ 11:17 am

    Method 3. Turn ON the PIN Option through Registry worked for me.


  3. Janice
    July 5, 2023 @ 3:25 pm

    A solution I found on this page fixed my "PIN not available" error. Thank you! I was about to give up. I tried everything else and nothing worked until I found this page. I was able to make a change in the registry and that solved the problem.


  4. Reiff Lorenz
    June 2, 2023 @ 2:54 pm

    The solutions found on this page didn't work for me. It turned out that I had to disable TPM in the BIOS to get Windows Hello for Business (PIN and face) to start working again.


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