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How to Fix Windows Update Error code C80003fa?

Error Code c80003fa is common for all Windows Operating systems when installing windows updates. It usually appears when Windows 10 or Windows 7 update system is broken or there are network-related glitches.

The usual causes for this Windows Update Error c80003fa are communication failure over the internet with Microsoft update servers.

Firstly, I will suggest you do Windows Troubleshoot for Windows Update Error Code c80003fa.

After that,

Disable the proxy internet connection and try again to install the windows update.
Error Code c80003fa

How can a proxy connection be disabled?

  1. Firstly, open Internet Explorer and click on Tools->Internet Options
    Error Code c80003fa
  2. Next, go to Connections and LAN Settings
    Error Code c80003fa
  3. Finally, make sure the Proxy server is disabled.

The second case would be with your Antivirus. There are proxy settings enabled under the settings of any security programs that you may be using. If you cannot find the procedure to stop it, you can ask our techs on chat support to guide you.

Steps to fix this Windows Update Error code C80003fa

There are failed windows update services that could also cause you this Error code c80003fa while updating Windows.

Try the below steps to repair Windows services:

For instance, Repairing Windows update services is not possible like you repair any windows apps from the add/remove programs. There is a procedure that you need to follow through command lines.

Above all, this requires the user to have administrator rights on his computer.

As per the Microsoft set of rules defined on various Knowledge base articles, the steps are simplified as mentioned here to reset your windows update services.


Following these steps carefully will not make any changes to your personal data or programs. It will only reset the Windows update services.

  1. First, open Command Prompt as Administrator by right-clicking on it.
    Error Code c80003fa
  2. Next, go to c:\windows\
  3. Then, rename the software distribution folder to old
  4. In some cases, it will happen until you stop the windows update services
  5. To stop that, you can run a command line “Net stop wuauserv” and hit Enter
    Error Code c80003fa
  6. Followed by you can try to rename this folder software distribution to old
  7. After that, restart the windows update service
  8. Next, use this command “Net start wuauserv” and hit Enter
    Error Code c80003fa
  9. Finally, check for updates now.

SFC Scan to Fix Error Code c80003fa:

SFC SCAN is the command line that we use to do this process. I will explain the steps in detail on how to perform this scan.

Likewise, following this process, it may result in a positive statement that all the issues are resolved and on the other side negative result could be that your windows are corrupted.

Final Solution for this windows update error code c80003fa:

In this case, you should really work hard to reinstall the windows operating system.

However, Backing up data is the foremost important thing in order to make sure you won’t lose your personal files.

In Conclusion,

Take support from Online experts regarding any unresolved issues on your computer. As a result, chat with our Technician to fix your computer issues Now!   You can also visit our website for more details and information.

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