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  1.    30 Sep 2015 #1

    Windows10 Update: kb3093266 - What Does It Do?

    I received a Windows 10 Update #kb3093266 today, and it's now waiting for me to re-start the P.C. to complete the installation.

    The problem is that I only see one reference to this update on the internet, and it's in Japanese. As usual with Windows10, the link "more details" takes you no place. Anyone know more about this update by chance? TIA.

      My System SpecsSystem Spec

  2.    30 Sep 2015 #2
    Join Date : Sep 2015
    Posts : 1
    Windows 10 64-bit

    Says it's a cumulative update for Windows 10 x64-based systems and will take 10-20mins. I risked it and it installed very quickly.
    I'm hoping there is something in there to stop my system hanging and needing a reset, and then finding a dead NIC and having to dump an older image back.
      My System SpecsSystem Spec

  3.    30 Sep 2015 #3
    Join Date : Jul 2015
    Posts : 18
    w10 home

    This update includes improvements to enhance the functionality of Windows 10.
    As Microsoft has stated before, it doesn't intend to publish detailed changelogs for Windows 10 updates unless they contain significant feature additions or changes. However, according to a video published on YouTube by one user, the update appears to be related to "ESET Smart Security protocols." As an additional note, the update isn't yet appearing on machines running the latest Windows Insider build, so it's possible that this is pushing out to non-Insiders only.
    In any case, you should be able to pull the update which clocks in at a hefty 226MB for 32-bit users and 505MB for 64-bit through Windows Update now.
    Source: Microsoft

    Installed smoothly.However with every update feels like a ticking bomb
      My System SpecsSystem Spec

  4.    30 Sep 2015 #4
    Join Date : Mar 2015
    Posts : 616
    Windows 10

    Quote Originally Posted by kire612002 View Post
    However with every update feels like a ticking bomb
    How so? I've yet to have an issue with any update since the preview.
      My System SpecsSystem Spec

  5.    30 Sep 2015 #5
    Join Date : Sep 2015
    Posts : 23
    Windows 10

    For me it keeps downloading the update and then asks me to reset the PC...

    Once i hit reset it says its preparing the update and then resets the PC only to come back onto the desktop telling me that the update failed and when i go back to check for updates there it is once more wanting to re-download it again.... crazy stuff really... OMG a cumulative update that wont even install itself correctly? well done MS....

    Anyone have the link where we can download this KB directly and then manually install it?
    or even a solution on how to get this KB to install correctly....

    your support is welcomed.....

      My System SpecsSystem Spec

  6.    30 Sep 2015 #6
    Join Date : Jul 2015
    Posts : 212
    Windows 10 Home x64

    Just got it.

    From a Microsoft rep on reddit:

    This update contains more improvements for anyone who's been seeing issues with start menu reliability or the critical error dialogs mentioning start and/or Cortana.
    Last edited by BrownianMotion; 01 Oct 2015 at 12:20.
      My System SpecsSystem Spec

  7.    30 Sep 2015 #7
    Join Date : Feb 2015
    Houston, Tx
    Posts : 123
    Win 10

    Just installed a few minutes ago and so far so good
      My System SpecsSystem Spec

  8.    30 Sep 2015 #8
    Join Date : Apr 2015
    Posts : 8,810

    Just installed on my 32-bit machine unexpectedly, no problems, pretty quick. But, like kire612002 says - ticking time bombs now....I always cringe as I install any update anymore (and I'm making very frequent images too).
      My System SpecsSystem Spec

  9.    30 Sep 2015 #9
    Join Date : Jul 2015
    Posts : 356
    Windows 10 Pro 64bit v10586.3

    This update KB3093266 may cause a recurring update failure (12 in my case) addition to your update history logs or in other words, your pc will enter into a continuous update failure loop while using the win10 auto update feature. There exist a myriad of fixes for this issue on the web and I tried several with no positive results. I was however, able to fix this problem, based on earlier experience with other MS OSs on my PC.
    A corrupt update to the win software distribution downloads and the software data store is causing this problem (In my case)
    To proceed. The entire contents of the C:\Windows "SoftwareDistriution\Downloads folder must be deleted first. Restart your PC to verify this deletion before proceeding to the following instruction set.

    Follow these instructions to effect a cure for this problem:
    Method 2: Steps to erase Windows Update historyNote:Erasing the windows update history will just remove the entries of the updates and not really the updates itself.
    a. Go to menu Start> All Programs> Accessories. Right click on the "command prompt" and select "Run as Administrator".
    b. Copy/paste the below command:
    c. net stop wuauserv
    d. And select OK.
    e. Wait until confirmation that the service is stopped.
    f. To delete the file, copy the following command in the command prompt:
    g. del %systemroot%\SoftwareDistribution\DataStore\Logs\edb.log
    h. You can also delete it manually by going to the location in windows explorer.
    i. you can restart the service with this command:
    j. net start wuauserv

    The source material for this advice may be viewed on this web page:

    Windows updates failed, Want to delete all failed update files in - Microsoft Community

    As I said it worked for me and I was chasing this problem down for about 5 hours. FYI it should clear your update history file of all entries up until your latest and newest update. Don't worry it does not erase the actual update and when everything is working in the win update world as it should you will have a new history file showing hopefully, only a good KB3093266 install. After everything has settled down and your version of Win10 is fully functioning again you may view all your win updates by clicking on the "uninstall update" tab in the View Your Update History page.

    This a larger update more than 1 gig after the install is complete. The Excel file accompanying the update in itself is about 1.8mb in size and it appears like a rewrite of the win10 maybe even the core program. Please correct me if I am wrong.

    No warranty or guarantee of any kind is provided with this instruction set. NOT RECOMMENDED FOR THE NEW USER.
    These instructions are provided by me and by the Author: Mouneshwar R replied on December 23, 2010
      My System SpecsSystem Spec

  10.    30 Sep 2015 #10

    Quote Originally Posted by lopedoggie View Post

    No warranty of guarantee of any kind is provided with this instruction set. NOT RECOMMENDED FOR THE NEW USER.
    These instructions are provided by me and by the Author: Mouneshwar R replied on December 23, 2010
    If this advice was posted to the Microsoft help forum back in 2010, will it work with Windows10, without adversely affecting the next update?
      My System SpecsSystem Spec

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