Windows 8 and 8.1 Forums

KB3000850 We couldn't complete the updates undoing changes

  1. #1

    Posts : 19
    Windows 8.1 Pro

    KB3000850 We couldn't complete the updates undoing changes

    Hi there

    I am looking for assistance. I am trying to install KB3000850 on a Windows 8.1 Pro x64 machine however when it installs - and restarts - I get message saying "we couldn't complete the update - undoing changes - don't turn off your computer".

    The computer then loops and loops and loops (restarting,...... undoing changes.....restarting etc). I have to boot into safe mode to get it to stop.

    Attached are the CBS logs after a first attempt and 2nd attempt. Can anyone assist me?

    I have installed lots of other updates via Windows update and they work fine but not this one.

    Here are the steps I have tried.
    1. sfc /scannow in safe mode then a reboot - update retried - same issue (loop, undoing changes). Sfc said it could not fix all errors.
    2. I ran the windows update troubleshooter - which found three issues and fixed two.
    3. I updated the windows 8.1 update agent to the latest one
    4. Tried sfc /scannow - same as step 1.
    5. Manually downloaded update KB3000850 and installed it. It installs as normal and then on the restart it goes working on updates as normal and then it restarts and same issue - loop - undoing changes - loop.

    I'm not an expert at reading CBS logs currently so hoping someone has an idea whats going on.
    Attached Files

      My System SpecsSystem Spec

  2. #2

    This thread might be worth a read Optional Update KB3000850
      My System SpecsSystem Spec

  3. #3

    Posts : 19
    Windows 8.1 Pro

    @youravinalarrrf Thanks for the link. Had a read through that.

    Just a quick update- I have ran a DISM cleanup restorehealth command on the machine as per that link - which reported no issues.
    I then ran an SFC which reported no issues unlike the last time. However the update still gives issues - soon as PC restarts after what appears to be a successful install - it says it could not complete the update and is undoing the changes.
    I now get a error in the system log 0x800f0922 which Microsoft website says to resolve install this update KB 2975061 which I tried to install but its already installed.

    Giving up at this stage just going to deny the update from installing in future.
      My System SpecsSystem Spec

KB3000850 We couldn't complete the updates undoing changes

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