How to Fix Windows 0xC004F050 Error Code

Introduction

Are you encountering the Windows 0xC004F050 error code while attempting to activate Windows? In this short guide we will explore the causes and fixes for this error code.

Windows 0xC004F050 error code cause

The error code 0xC004F050 indicates a miss-match between the installed edition of Windows and a Windows activation key. This most commonly occurs when using an OEM Windows key that doesn’t match the version of Windows installed.

Windows 0xC004F050 error code fixes

Perform a fresh Windows install

Download Windows 10 or 11 using the links below and perform a fresh install.

• Download Windows 10: https://www.microsoft.com/software-download/windows10
• Download Windows 11: https://www.microsoft.com/software-download/windows11

Perform a phone activation

1. Open the Start menu and type cmd into the search bar.
2. Right-click on the Command Prompt result and select Run as administrator.
3. In the Command Prompt window, type slui 4 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..