How to fix
Windows upgrade error 0xc004f075
on Windows

I keep trying to install Windows 11 but it keeps failing with error code 0xc004f075. Can something be done here?

Windows updates are essential for maintaining security, functionality, and performance of your operating system, but occasionally, you might run into errors that prevent this process from being successful. Due to errors such as 0xc004f075, which we are talking about today, you might not be able to enjoy all the available features Windows has to offer. To make matters worse, using older OS versions such as Windows 7 can leave you susceptible to cyberattacks.

0xc004f075 error code indicates that Windows activation process was interrupted due to one reason or another. In most cases, users are presented with a generic message that says that activation was not successful, which does not provide enough information for users to continue.

One of the main reasons why users receive the 0xc004f075 error is because they enter an incorrect or invalid product key, which can happen if the product key used is not genuine, has already been used on another device, or has been blocked by Microsoft. 

While this may be the case for some of the userbase, it is not true for most of those affected. This is because there are numerous other reasons for the 0xc004f075 error to occur, including connectivity issues, high server traffic on Microsoft's side, or even corrupted system files or registries.

To fix the 0xc004f075 error, you can try verifying the product key to ensure it is correct and valid, checking your network connection to confirm it is stable and not blocking the activation servers, and using Windows troubleshooting tools to detect and fix any underlying issues with system files or the registry. 

Using [d1] PC repair tool can fix any underlying Windows issues automatically, providing a hassle-free way to maintain your system's performance and security.

Fix 1. Run Windows activation troubleshooter

If you haven't done so, try running the Windows activation troubleshooter as follows:

• Right-click on Start and pick Settings.
• Select Update & Security > Activation on Windows 10 or System > Activation on Windows 11.
• Here you will see the error (click on the Activation State on Win 11).
• Click on Troubleshoot.
• Follow the on-screen instructions.
• Restart your device as required.

Fix 2. Check your network connection

Network troubleshooter can check whether there are issues with your internet and sometimes fix them for you as well.

Windows 11

• Type Troubleshoot in Windows search and hit Enter.
• Select Other troubleshooters.
• Find Network & Internet from the list and select Run.
• Wait till the scan is finished - you will be provided with potential causes so you can proceed with fixes.

Windows 10

• Right-click on Start and pick Settings.
• Go to the Network & Internet section.
• On the right side, find the Advanced network settings section.
• Click Network troubleshooter and wait.
• The fixes will be automatically applied.

Fix 3. Install all available Windows updates

Windows updates to iron out bugs that could be causing the upgrade to fail in the first place.

• Type Updates in the Windows search box and press Enter.
• Click Check for Updates or Install all.
• Ensure optional and pending updates are installed as well.
• Wait till the process is finished.
• Restart your system.

Fix 4. Disable your internet before activating

Sometimes, doing an offline upgrade might work.

• Click Start and go to Settings.
• Go to Update & Security/System > Activation.
• Under Update product key, click Change product key/Under Change product key click Change.
• Enter the official key provided by Microsoft:
  VK7JG-NPHTM-C97JM-9MPGT-3V66T
• When done, disable your internet by disconnecting from WiFi or unplugging your Ethernet cable.
• Then, use the steps to activate Windows with your own key.

Fix 5. Run SFC and DISM

• Type cmd in Windows search.
• Right-click on Command Prompt and pick Run as administrator.
• When User Account Control shows up, click Yes.
• In the Command Prompt window, paste the following command and hit Enter:
  sfc /scannow
• Once the scan is complete, use the following commands and press Enter after each:
  Dism /Online /Cleanup-Image /CheckHealth
  Dism /Online /Cleanup-Image /ScanHealth
  Dism /Online /Cleanup-Image /RestoreHealth
  
• (Note: if you get an error executing this last command, add /Source:C:\RepairSource\Windows /LimitAccess to it and try again).
• Restart your system.

Fix 6. Activate via Command Prompt

First, check which license you are using:

• Open Command Prompt as administrator.
• Copy and paste the following command, pressing Enter after:
  Slmgr –dli
• This should bring up a pop-up window with all the necessary licensing information.
• Check the Description section.

For digital license:

• Open Command prompt as administrator.
• Once Command Prompt opens, copy and paste the following command:
  slmgr /xpr
• Press Enter.

For product key:

• Open Command Prompt as administrator once again and use the following command:
  wmic path softwarelicensingservice get OA3xOriginalProductKey
• Paste the slmgr.vbs.ipk <product key> into the window, and press Enter.
• Finally, use slmgr.vbs/ato command and hit Enter.
• Restart your PC and see if your Windows is activated.