Windows Update fails to install KB4343909

Windows Update fails to install 2018-08 Cumulative Update for Windows 10 version 1803 for x64-based Systems.

Tried already 9 times. got 0x80070781

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Try installing manually once
https://www.yourwindowsguide.com/2018/08/august...
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This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Sumit

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You should upgrade to 1803 manually by following below steps.

1. Right click on Windows Start > Windows Powershell (Admin)
Type following (or copy and paste following) one by one and Enter

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

2. Type following in Windows Start Search box and hit Enter %systemroot%\Logs\CBS > Rename CBS.Log to something else.
If it doesn't allow you to rename - Type services in Windows Start Search box > Click Services > Scroll down to find the Windows Modules Installer service and double-click on it > Set its startup type to Manual > Reboot your computer
Go to C:\Windows\Logs\CBS > Rename CBS.Log > Reboot your computer > Then go back into the Services App and set Windows Modules Installer Service back to Automatic Startup (Note CBS log files contain information about windows update, SFC etc)

(Source - https://partnersupport.microsoft.com/en-us/par_...)

3. Uninstall any third party Antivirus (After update is successful, you can install it again)

4. You can go to https://www.microsoft.com/en-us/software-downlo...

You can download the latest Windows 10 package from this link (media creation tool) and follow the instructions there to upgrade. Use the very simple instructions given under Using this tool to upgrade this PC to Windows 10
Best regards
Vijay Verma

Timezone: UTC+05:30, PST+12:30
Availability Hours (UTC) : 05:00 AM - 05:00 PM

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I am trying to use the procedure you suggested. Here are the results up to this point:

Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

PS C:\WINDOWS\system32> net stop wuauserv
The Windows Update service is not started.

More help is available by typing NET HELPMSG 3521.

PS C:\WINDOWS\system32> net stop cryptSvc
The following services are dependent on the Cryptographic Services service.
Stopping the Cryptographic Services service will also stop these services.

   TrueVector Internet Monitor

Do you want to continue this operation? (Y/N) [N]: y
The requested pause, continue, or stop is not valid for this service.

More help is available by typing NET HELPMSG 2191.

PS C:\WINDOWS\system32> net stop bits
The Background Intelligent Transfer Service service is not started.

More help is available by typing NET HELPMSG 3521.

PS C:\WINDOWS\system32> net stop msiserver
The Windows Installer service is not started.

More help is available by typing NET HELPMSG 3521.

PS C:\WINDOWS\system32> ren c:\Windows\SoftwareDistribution SoftwareDistribution.old
PS C:\WINDOWS\system32> ren c:\Windows\System32\catroot2 Catroot2.old
ren : Access to the path 'C:\Windows\System32\catroot2' is denied.
At line:1 char:1
+ ren c:\Windows\System32\catroot2 Catroot2.old
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : WriteError: (C:\Windows\System32\catroot2:String) [Rename-Item], IOException
    + FullyQualifiedErrorId : RenameItemIOError,Microsoft.PowerShell.Commands.RenameItemCommand

Let me know if I should proceed.

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Please proceed ahead.
Best regards
Vijay Verma

Timezone: UTC+05:30, PST+12:30
Availability Hours (UTC) : 05:00 AM - 05:00 PM

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When using the media creation tool to upgrade my PC I got a message saying:
"The language of edition of the version of Windows currently installed on your PC isn't supported by this tool."

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What is the Windows version and build and edition? To check this, type winver in Windows Start Search (Cortana) box and click winver.
Best regards
Vijay Verma

Timezone: UTC+05:30, PST+12:30
Availability Hours (UTC) : 05:00 AM - 05:00 PM

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Windows Pro
Version 1803 (OS Build 17134.191)

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I'm having this same problem, it has failed to install 7 times now, my version is:

Version 1803 (OS Build 17134.167)

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My PC continues trying to install the update every time I shut it down, and fails every time.
Is there any solution?

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Try installing manually once
https://www.yourwindowsguide.com/2018/08/august...

For three months I have failed to download the a Cumulative Update for Windows 10 Version 1803 for x64-based Systems. In July this was  KB4345421 and in this month it was KB4343909. All other updates have come down OK.  I took your advice and it was successful. My friend said I shouldn't download these things from anything other than MS site but it was done by then and there is an anomaly. 

The setup file described KB4343909 as a Security update (not Cumulative); Windows 10 successfully installed it and it shows up in Update History as successfully installed, but the Cumulative Update download still shows as Pending.  Can you tell me what is going on here, please?

Regards,

Stephen

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Last updated May 14, 2019 Views 6,315 Applies to: