Error code 0xC004F025 can occur when attempting a Windows Activation. There are many reasons why you could encounter this Windows Activation error including the most common being due to the account type of logged-in user. In Order to activate or rearm Windows, the logged-in user must be an Administrator. Hopefully by simply logging in to the machine will resolve the issue but if it doesn’t then please see other simple solutions below.
Execute slmgr.vbs -rearm command using elevated command prompt?
SImilar to the solution above you can simply reset the license status of the OS using “slmgr.vbs -rearm”. Doing this requires administrative privilege.
- Run “Command prompt” as administrator
- Enter your command, for eg: “slmgr -rearm” and then press enter key.
Run the Update and Activation Troubleshooter
The Update and Activation Troubleshooter tries to resolve all issues automatically. In order to do so, you need to go to Settings > Update & Security > Troubleshooter > select Windows Update and run the troubleshooter.
This is the best way which you can follow in order to fix the activation error code.
Reactivate Windows after a hardware change
A recent hardware change may also cause the Windows activation error 0xC004F025, especially if you have replaced the Motherboard. If you have performed any changes to the hardware, you have to reload the Windows 10 using a genuine product key.
If none of these steps help you to resolve the issue the next steps will be either to contact Microsoft Support for assistance or to reinstall your Windows fresh.