KB4012215 – windows update error-windows 10/8/7

Details: KB4012215 error code generally found in Windows updates when it is in auto-update settings.

Disclaimers:  Fixing an error related to Windows updates requires checking network, Internet security, and firewall rules. If you are not sure on how to change them, please contact the technician for support.


Why windows updates are important:

Updates are nothing but enhancement features for present software.There may be security updates also to protect your machine from malware, virus attacks. Generally, windows operating system configured to check and install updates automatically through its internal service called windows update.

Why is your computer getting windows update error?

There are several reasons that any machine may get issues with windows update service client in the operating system.Like,

  • Firewall issues
  • Internet connection issues
  • Files system corruption issues
  • Windows update service damaged

KB4012215 windows update error code solution step by step:-

Here you have to follow steps as per causes of this error code KB4012215 in windows update service client/

Firewall check:-

First change your antivirus/firewall settings to OFF,

Windows Firewall is software that runs on your computer and provides protection against network attacks from the Internet or other computers on the network.

To turn off firewall,

Type in FIREWALL in start button search bar and open firewall application,
firewall window From the left side panel, find Turn windows firewall on /off option, as shown in pic,

turn off firewall

Then choose to Turn off windows firewall in private and public network options.

Note: Once KB4012215 windows update error gets fixed, you should turn on the windows firewall application.

Change your internet connection:-


Switch your internet to another network and try to do updates.

Also, When you try to access Google.com, your computer contacts its DNS server and asks for Google.com’s IP address. The default DNS servers your network uses are provided by your Internet service provider, and they may sometimes experience problems.

You can try accessing a website at its IP address directly, which bypasses the DNS server.

File system corruption:-

Perform a SFC scan from command line as admin and fix if there are any files system corruptions.

You can perform a system file scan process which can be started on a command prompt window with administrative rights.
SFC /SCANNOW is the command line which needs to be executed.
How to do a sfc scan:-
1. Click on the start button and type “cmd”
2. Open “Command prompt window” and type “SFC/SCANNOW” PRESS enter button,


3. The scanning process start and this process takes sometime to finish. Please wait until it gives results.


This video shows how to do SFC scan .

If the computer says, no integrity violations found, then try to reinstall the program which may sometimes replaces the corrupted files on your office program.

Windows update client Damage:-

There are some fix it tools to solve some common issues, windows troubleshooter tool is one of that kind.It fix many issues by downloading pre-requisites of windows updates that are pending and then proceed to download original security patches or any other windows updates using updates client application.

Use windows troubleshooter using a fix it tool, and then try a manual install of updates.

Click here to download

There are some advanced methods to fix this KB4012215 windows update error using some commands and resetting your operating system to a healthy restoring point.

Restoring health :-

1.Open Cmd prompt as admin mode,

2.Type in the command as follows and press enter,

dism /online /cleanup-image /restore health

3.It will take time to go back to the healthy restore point.(You can also restore in by mounting the windows source file as DVD or USB stick)

dism /online /cleanup-image /restore Health /source: c:\offline /limit access (assuming source file in c:/ drive)

Reset the windows operating system:-

NOTE: Try this only if you don’t have much data on your computer, because it takes a time to take backup of existing files and install your current application again.

  1. If you are using windows 10, just type in “RESET PC” in the Cortana search bar(windows start button search) and select RESET PC from the results.reset pc in windows 10
  2. Then under the RESET PC, click on get started button to proceed.
  3. There are two options to keep your files and complete clean. (You must take backup of your desktop files, pictures, downloads, documents before proceeding to complete clean.)reset pc options in win10
  4. After reset, you may do updates cleanly without any issue.

Still have issues regarding Windows updates? Reach our Microsoft certified technicians on the chat.

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