Weird display issue following installation of KB4540673


  1. Posts : 3
    Windows 10 x64 v1909
       #1

    Weird display issue following installation of KB4540673


    Two issues here: My PC started acting up today in an odd manner. Specifically, the bottom 20% or so of my display flickers in some modes. The best way to describe it is the bottom 20% or so of the screen randomly moves upward some amount before moving back into position. This only occurs in some modes; the desktop is fine, the logon screen is affected. PC was fine yesterday.

    Checked windows update history, and sure enough, KB4540673 installed this morning. Tried to uninstall the update, and it refuses to uninstall. I attempted to uninstall the update through the Windows "Installed Updates" panel, through the command prompt, and through the uninstall update menu you can access by holding shift as you restart. I attempted to reinstall the update (hoping I could then reinstall it again), but that failed as the update is detected as installed.

    So the first issue I want resolved is the probably borked install of KB4540673. Hopefully that fixes the initial issue with the display.

    EDIT

    As an update: I don't think KB4540673 ever installed right in the first place. If I go to C:\Windows\servicing\Packages, I see the packaged for other KB updated, but I don't see anything for KB4540673.

    EDIT 2

    Did a system restore back to the 15th. First thing Windows did on completion? Redowload KB4540673. It failed to remove, AGAIN, so I'm back to square one.
    Last edited by danielk1985; 19 Mar 2020 at 22:45.
      My Computer

  2. dalchina's Avatar
    Posts : 29,896
    Win 10 Pro (1903)
       #2

    Hi, assuming you have Home, not Pro, you can use free 3rd party utilities quite readily to 'hide', scan for and select which updates to apply, replacing Windows Update. It sounds as if that might help you here.

    E.g. Option 7:
    Enable or Disable Windows Update Automatic Updates in Windows 10
    or WUmgr (Windows Update Manager); Sledgehammer....

    If you don't want to use a 3rd party utility there's more cumbersome approach to hiding an update (stopping it being applied).
    Hide or Show Windows Updates in Windows 10

    That update is reported as causing some users problems e.g.
    https://www.windowslatest.com/2020/0...540673-issues/
    Windows 10 KB4540673 Update Is Causing “Blue Screen Of Death”

    This one mentions a flickering screen:
    Users decry multiple update KB4540673 bugs
      My Computers


  3. Posts : 3
    Windows 10 x64 v1909
    Thread Starter
       #3

    dalchina said:
    Hi, assuming you have Home, not Pro, you can use free 3rd party utilities quite readily to 'hide', scan for and select which updates to apply, replacing Windows Update. It sounds as if that might help you here.

    E.g. Option 7:
    Enable or Disable Windows Update Automatic Updates in Windows 10
    or WUmgr (Windows Update Manager); Sledgehammer....

    If you don't want to use a 3rd party utility there's more cumbersome approach to hiding an update (stopping it being applied).
    Hide or Show Windows Updates in Windows 10

    That update is reported as causing some users problems e.g.
    Windows 10 KB4540673 causes BSOD and other issues
    Windows 10 KB4540673 Update Is Causing “Blue Screen Of Death”

    This one mentions a flickering screen:
    Users decry multiple update KB4540673 bugs
    I know how to hide problematic updates; the problem right now is the update is already installed, and it won't uninstall properly.
      My Computer

  4. dalchina's Avatar
    Posts : 29,896
    Win 10 Pro (1903)
       #4

    Thank you so much for your reply.

    As you knew how to hide an update, I'm wondering why you let this happen:
    First thing Windows did on completion? Redowload KB4540673. It failed to remove, AGAIN, so I'm back to square one.
    Do you not have another restore point you can use?
    Or a disk image you can restore?

    This is the latest update available:
    KB4551762 CU Win 10 v1903 build 18362.720 and v1909 build 18363.720
      My Computers


  5. Posts : 3
    Windows 10 x64 v1909
    Thread Starter
       #5

    dalchina said:
    Thank you so much for your reply.

    As you knew how to hide an update, I'm wondering why you let this happen:


    Do you not have another restore point you can use?
    Or a disk image you can restore?

    This is the latest update available:
    KB4551762 CU Win 10 v1903 build 18362.720 and v1909 build 18363.720
    Didn't realize it would be an issue until after the fact. Normally when this happens I just uninstall the problem update then block it, but in this case the failed uninstall is preventing an easy fix.

    Sadly, the last System Restore apparently nuked my existing restore points, so my options are now limited to:

    A: Figure out how to remove the update
    B: Restore to the recovery partition (which I *think* is way back at v1603)
    C: Nuke the OS and start over.

    Most of my stuff is external, it's more the annoyance of having the rebuild everything again then anything else. I'm less annoyed that the update broke something and more annoyed it won't uninstall correctly.

    - - - Updated - - -

    Update: Came home from work today, and despite the PC being left in an identical state to last night, the underlying graphical problem is not showing itself. Going to watch for re-occurrence in the short term.
      My Computer

  6. dalchina's Avatar
    Posts : 29,896
    Win 10 Pro (1903)
       #6

    Well, could be good news..

    FWIW I don't have that update listed so can't compare- it's applicable to 1903 and 1909. Perhaps in may case it was overtaken by the later one.

    For the future I would suggest:
    a. Create restore points on a schedule (Tutorial availabe) - I have one created daily. You can always hope restoring completes if you need it to- it's notoriously unreliable.
    b. Routinely use disk imaging as recommended so frequently here. This helps to address your concern:
    it's more the annoyance of having the rebuild everything again then anything else.
    - and secures your O/S and your data should your drive fail or PC become unusable because of disk related issues or problems.
      My Computers


 

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