1.    25 Jan 2017 #1
    Join Date : Jan 2017
    Posts : 1
    Windows 10

    Cumulative Update 1511 (KB3210721) stucks during restart


    Hello TF,

    Read some previous threads, but still couldn't resolve my problem. So, Cumulative Update 1511 (KB3210721) installs on background, then it asks for restart so "install can take effect". During restart updates fails at 17%, then it restarts, then it's "undoing changes" back and everything starts again, Groundhog Day.

    I tried to delete everything from \SoftwareDistribution\Download, but didn't help.
    Did troubleshoot using "run as administrator", downloaded update manually from catalog, uninstalled my AVG free, stopped Update Services through cmd, but same.
    BTW had the same problem for weeks with Cumulative update *****86, but somehow Windows is not asking to install it anymore.
    Windows 10 Enterprise, 64-bit.

    Thanks in advance for any advice.
      My ComputerSystem Spec
  2.    26 Jan 2017 #2
    Join Date : Oct 2016
    Caledon, Ontario, Canada
    Posts : 3,948
    Windows 10 Pro Build 1703

    Welcome to the TenForums @von Riga

    It stopped asking for ****86 as this update is its replacement.

    https://support.microsoft.com/en-us/...date-kb3210721

    You didn't mention your storage configuration so I will assume you have more than one drive as you are using a desktop.

    There have been situations where some updates don't install properly and the solution has been to do the update with only the OS drive connected. At a minimum I would run chkdsk without any "fixing" parameters to see if it detects errors. Run on each drive. If found they will need to be addressed.

    You might also want to run SFC /scannow from command prompt admin to see it it detects errors within your system. Post results.

    Given you are on version 1511 and the Anniversary Update 1607 has been out for months are you restricting its installation?

    If you haven't been restricting and are prepared to go to 1607 then I would look at using Macrium Reflect to make the appropriate Image, should you need to fallback. Better safe than sorry.

    If the other tests above don't drive out issues and you can't install updates, and assuming your okay with 1607, I would follow this tutorial to upgrade to 1607.

    Repair Install Windows 10 with an In-place Upgrade

    Again I would have a proven fall back plan as some people have had issues with AU.
      My ComputerSystem Spec

 


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