Windows 10 KB3124200 Issues: Failed Installs, Broken Apps, Outlook & Edge not Opening

Windows 10 KB3124200 Issues

The recent cumulative update KB3124200 for Windows 10 users was released a few days back, and at the time, we didn’t see to many issues being reported. There were only a few users complaining that the update failed to install, and now we’re getting many more similar problems.

KB3124200 Update problems on Windows 10

As I was saying, the most commonly encountered problem seems to be the one with failed installs of the KB3124200 update. Here are just some of the complaints sent by users.

One of them says that he is getting the following messages – “Configuring windows update 59%” and “we are unable to complete the update. undoing the changes“.¬†And it seems that this specific message has been confirmed by more users; so do follow the previous link to our specialized article on some potential fixes for this.

This is the third cumulative update that will not install. First KB3116908 then KB3116900 and now KB3124200. Several restarts later I can then log on and then Windows update shows that the update has failed. I have over the past 3 updates, tried all sorts of ways recommended to get an install but everything fails. As I have Windows 10 Home I cannot stop the installs repeating. I am still stuck in a never-ending loop of download, install, failure.

Somebody else has a similar problem:

Today I had a Windows 10 update called “Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200)”
Upon my PC asking me to restart, I rebooted and it said that it could not apply the changes so it needed to restart to undo the changes, this happened 3 or more times before I was actually able to get into Windows. Now when I turn my PC off, I have this problem when I log back in, or try too.

KB3124200 keeps trying to install

There are many Windows 10 users who confirm problems with the KB3124200 update which keeps trying to install and there are some who claim that the update is missing on their PCs. Somebody else says his download has stopped at a specific percentage:

this update was downloading in the background when the laptop shut down due to low battery. Going onto mains power and restarting twice still has no effect. It is still showing 45% downloaded. Since I was affected by the original Nov problem with 1511 update, do I need to do the same fix, namely a clean reboot etc?

Here are some more issues which have been reported:

  • After applying update KB3124200 Edge browser will not close
  • Cumulative Update for Windows 10 version 1511 for x64 KB3124200 breaks File Explorer
  • Update KB3124200¬†causes Outlook 2016 to not start
  • Windows 10 Version 1511 for x64-based Systems KB3124200 fails every time
  • Cumulative Update KB3124200 will not install
  • MS Calculator fails after Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200)
  • Installation Failure: Windows failed to install the following update with error 0x80070020: Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200).
  • Outlook won’t open after update KB3124200
  • After the KB3124200 update for Windows 10, the Store, Calendar, Maps apps become nonresponsive
  • Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200)¬†is not downloading
  • Cumulative update Version 1511 for x 64 based system (KB3124200) causes the Mail and Calendar apps to not open
  • Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200) brings up error 0x80242fff
  • Edge not working after latest update
  • After running Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200) I found that more than 10 programs that I use daily have been deleted
  • Computer won’t start after Windows 10 Version 1511 for x64-based Systems (KB3124200)
  • Cumulative Update for Windows 10 Version 1511 (KB3124200) has removed all my program files and settings
  • Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3124200) brings up error¬†0x8007000d
  • Windows 10 build 10586: unwanted very slow boot time

Potential fix for Windows 10 KB3124200 problems

As you can see, there are quite many errors and it seems that for the time being there’s no official fix. According to some users,¬†manually downloading and installing the patch could¬†be of some help, so follow these links to try and solve problems:

KB3124200 x86 for Windows 10
KB3124200 x64 Windows 10

If you are afraid these issues will affect you, as well, then you can block the update until Microsoft provides a fix or until the next cumulative update. However, this could happen as late as January 2016.

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  • Imrubicon

    I had same issue with Office 365 ,
    Answer was to delete all .OST files ad let them rebuild = outlook works correctly now

  • Marc Sayer

    I have had no end of hangs, delays, stalls and other minor problems
    that did not exist before this update installed. Thunderbird 38.4.0 will
    freeze and I simply can’t use it for several seconds to a min. Ditto
    Firefox 43.0.1 though it seems to recover quicker. I can usually switch
    to another running program when something stalls or hangs, and not have
    any issues with the other program. I have tried Waterfox 40.1.0, which is essentially an x64 variant of Firefox and it doesn’t seem to be having the same sorts of stutters and delays as the 32 bit Firefox. I use Office 2010 Pro x64 and don’t use much customizing so I haven’t noticed any big issues there. I am noting small stutters or delays in all sorts of programs and apps. Some are just barely noticeable, others can take several seconds. Often when the app is launched or if the machine has been sitting idle for an extended period and you start to work again. It has nothing to do with Live login as I am using a local account to log into my computer.