Downgrade from 2004 to 1909

  1. Posts : 1
    Windows 10 2004

    Downgrade from 2004 to 1909


    In the past, I had forgotten that I had signed up for Windows Insider Programme. As it was already April I didn't think twice when I was upgraded to 2004. As soon as this happened my PC became more problematic.

    Outlook would not log into my Office 365 account (gave me a TPM error). I fixed this by switching back to an earlier form of authentication, and this works, but I have to re-enter my password at least once every 24 hours. Chrome frequently forgets all of my passwords and signs me out. Windows 10 forgets my account passwords. None of this is insurmountable, but it really slows me down.

    Does anyone know a fix for these issues, or otherwise is there a way to get back to 1909 (without wiping my PC.) I am well beyond the 10 day uninstall margin.

    Thanks for any help you can offer.

      My Computer

  2. Posts : 35,611
    Win 10 Pro (21H2) (2nd PC is 21H2)

    Welcome to tenforums.

    Very standard and so oft-repeated advice is to use disk imaging routinely and regularly, and make sure that your disk image set is up to date before upgrading - e.g. Macrium reflect FREE (+ paid) + large enough external storage.

    If you did that before upgrading to 2004, then you could restore a disk image of 1909.

    If not, the only way back is a clean install.

    I've not come across reports of similar problems though.
      My Computers

  3. Posts : 1,418
    Windows 10 Pro 21H1 64 bit

    You can try waiting until Tuesday June 9 and see if 2004 gets a CU that may fix some of your problems. Have you tried SFC or DISM to see if it found any problems.

      My Computer

  4. Posts : 2,078
    Windows 10 Pro

    Is there not a 'Go back to previous version" option in settings and then recovery. Mine does.
      My Computer

  5. Posts : 1,020
    Windows 10 Pro 20H2 19042.572

    Plankton said:
    Is there not a 'Go back to previous version" option in settings and then recovery. Mine does.

    YES there is (Note I have not tried it), but "windows.old", lives on your system drive.
      My Computers

  6. Posts : 25,100
    10 Home x64 (21H2) (10 Pro on 2nd pc)

    Unfortunately @rpmay doesn't have the 'go back to previous version' option available any more. They said in post #1 that... "... I am well beyond the 10 day uninstall margin".

    Their only options now are a clean install of 1909, or waiting to see if the Patch Tuesday cumulative update fixes their issues.
      My Computers

  7. Posts : 17,371
    Windows 11 Pro

    Or try an in place repair install. Use the Media Creation Tool to download the 2004 ISO. Mount it, and run setup.exe from the mounted ISO file.
      My Computer


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