Home>How to Fix the Windows 11 0xC004F050 Error Code: A Comprehensive Guide
How to fix windows 11 (0xc004f050) error code

How to Fix the Windows 11 0xC004F050 Error Code: A Comprehensive Guide

Published On: November 7th, 2021|Last Updated: December 29th, 2022|3 min read|

Are you seeing the 0xC004F050 error code when trying to activate your copy of Windows 11? This error can be frustrating, but fortunately it’s relatively easy to fix.

Fortunately, there are several methods for fixing the 0xC004F050 error code in Windows. In this comprehensive guide, we’ll discuss what causes the error, how to identify it, and several methods for resolving it.

What causes the Windows 11 0xC004F050 error code

The 0xC004F050 error code appears when there is an issue with your Windows activation. This can happen for a number of reasons, including:

  • An OEM Windows key that does not match the version of Windows you have installed
  • You are attempting to upgrade Windows using a key that does not support upgrades
  • The online Windows activation servers are busy

How to identify the Windows 11 0xC004F050 error code

The 0xC004F050 error code can be easy to identify, as it appears as an error message when you attempt to activate your Windows operating system. If you’re unsure if the error code is causing an issue, you can check by following these steps:

  1. Open the Start menu and type “activate” into the search box.
  2. Click on “Activate Windows” in the search results.
  3. Check the activation status of your Windows operating system.

If you’re still unsure whether the error code is causing an issue, you can try manually activating your Windows operating system by following these steps:

  1. Open the Start menu and type “cmd” into the search box.
  2. Right-click on “Command Prompt” in the search results and select “Run as administrator”.
  3. In the Command Prompt window, type “slmgr /ato” and press Enter.

How to fix the Windows 11 0xC004F050 error code

Do a fresh Windows 11 install using the Windows 11 ISO

  1. Open the Start menu and click on the “Settings” icon (it looks like a gear).
  2. Click on “System” in the settings menu.
  3. Click on “About” in the left sidebar.
  4. The version of Windows you have installed will be displayed under the “Windows specifications” section.
  5. If the version you have installed does not match your OEM key, you should do a fresh Windows 11 installation: https://www.microsoft.com/software-download/windows11
  6. Once you have done a fresh installation, try to activate your OEM key again.

Use the activation troubleshooter

  1. Open the Start menu and click on the “Settings” icon (it looks like a gear).
  2. Click on “Update & Security” in the settings menu.
  3. Click on “Activation” in the left sidebar.
  4. Click on the “Troubleshoot” button under the “Activation” section.
  5. The troubleshooter will automatically detect and attempt to fix any issues with your Windows activation.

Attempt a phone activation

  1. Open the Start menu and type “cmd” (without the quotes) into the search bar.
  2. Right-click on the “Command Prompt” result that appears at the top of the Start menu and select “Run as administrator” from the context menu.
  3. In the Command Prompt window, type “slui 4” (without the quotes) and press Enter.
  4. A window will appear with a toll-free number that you can call to activate Windows by phone.
  5. Call the number and follow the instructions provided by the automated system or a Microsoft customer service representative.