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I have 2 updates that are failing to install in windows 10. Those 2 are, with the errors:

  • Cumulative Update for Windows 10 for x64-based Systems (KB3081438) - Error 0x80070bc9

  • Update for Windows 10 for x64-based Systems (KB3081704) - Error 0x80070643

I'm running win 10 64 bit upgraded from Windows 7. Anything I can do to install these without error?

I got KB3081438 installed, now it's just KB3081704.

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  • 0x80070bc9 = ERROR_FAIL_REBOOT_REQUIRED (The requested operation failed. A system reboot is required to roll back changes made.) I need to look at the setup logs. Copy the folder C:\Windows\logs\CBS and the files "C:\Windows\Inf\setupapi.dev.log", "C:\Windows\WinSxS\poqexec.log" to your desktop, put the folder and the files into 1 zip and upload the zip (OneDrive) and post a link here.
    – magicandre1981
    Commented Aug 15, 2015 at 6:33
  • @magicandre1981 I was able to get KB3081438 installed, right now my only problem is KB3081704, with error 0x80070643
    – Jeff
    Commented Aug 15, 2015 at 19:50
  • KB3081704 is the free DVD player app. Try the suggestions from here: answers.microsoft.com/en-us/windows/forum/windows_10-update/…
    – magicandre1981
    Commented Aug 16, 2015 at 6:26
  • From @Aegrion: try this if you still have issues: thewindowsclub.com/windows-10-update-kb3081424-fails-to-install
    – fixer1234
    Commented Aug 17, 2015 at 6:04
  • @magicandre1981 I've done that, doesn't work. I'll try fixer1234's suggestion
    – Jeff
    Commented Aug 18, 2015 at 2:47

2 Answers 2

Reset to default
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Please follow the below steps to reset the Windows Updates Components:

Press Windows Key + X on the keyboard and then select “Command Prompt (Admin)” from the menu.
Stop the BITS, Cryptographic, MSI Installer and the Windows Update Services. To do this, type the following commands at a command prompt. Press the “ENTER” key after you type each command.

                       net stop wuauserv

                       net stop cryptSvc

                       net stop bits

                       net stop msiserver

  1. Now rename the SoftwareDistribution and Catroot2 folder. You can do this by typing the following commands in the Command Prompt. Press the “ENTER” key after you type each command.

                      ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

                  ren C:\Windows\System32\catroot2 Catroot2.old

  2. Now, let’s restart the BITS, Cryptographic, MSI Installer and the Windows Update Services. Type the following commands in the Command Prompt for this. Press the ENTER key after you type each command.

                    net start wuauserv

                net start cryptSvc

                net start bits

                net start msiserver

  3. Type Exit in the Command Prompt to close it.

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Download the Windows 10 Media Creation tool here: http://aka.ms/windows10mediacreationtool

Do not under any circumstances format or wipe the drive of said computer beforehand or boot from USB or DVD as the upgrade needs to be conducted in-place.

More details can be found here:http://blogs.technet.com/b/canitpro/archive/2015/08/13/step-by-step-how-to-clean-install-windows-10-without-formatting-the-drive.aspx

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  • Uhm, is it really that important that I have to reinstall windows 10 completely?
    – Jeff
    Commented Aug 15, 2015 at 2:39
  • My apologies as I misread the question. I thought you were still upgrading to Windows 10 from 7. The following link will allow you to directly download the updates you require: download.windowsupdate.com/d/msdownload/update/software/crup/…
    – Anthony Bartolo
    Commented Aug 15, 2015 at 3:02

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