This error appears on the screen when you try to register/update windows 10 using your activation key. Error code 0xc004f050 refers to a problem with activating Windows key. We know that windows 10 upgrade is free for all the windows 7/8 and 8.1 users with genuine licenses, but the activation of the windows is still an issue and shows error on activation. This error usually occurs when a user does a clean install.
This error usually comes on screen when you upgrade your windows 7 or windows 8/8.1 to windows 10.
An error has occurred
The Software Licensing Service reported that the product key is invalid
This error can be caused due to several reasons. The main reason for this error is an incorrect or invalid product key. This error may also occur if the duration of the license has exceeded its time and is invalid. This error can also occur when a user does a clean install of the windows and it deletes everything from the primary drive along with the license ID which is used to verify its validity.
There are several methods to get rid of this error which are stated below:
Sometimes the issue might simply be with the Microsoft servers. If you just upgraded and you are seeing this error message then it is recommended to wait at least 24 hours. It should automatically be activated within 24 hours. If your Windows still doesn’t activate after 24 hours then move to the methods given below.
Method 1: Upgrade to Windows 10 then perform a clean install
This error arises most of the time when users try to install windows 10 with a clean install instead of updating it. To avoid this error, you need to upgrade your current windows version to windows 10 and then it is advised to perform a clean install. Windows will automatically check whether your Windows copy is genuine or not. You are advised to do the clean install after this process. And if your previous windows license was genuine then windows 10 operating system will be activated and marked as genuine.
Note: If you have already installed/upgraded to Windows 10 and performed a clean install then you can activate Windows 10 as well. For this to work, you need to have the license key of the previous Windows (7 or 8). Simply install the Windows 7 or 8/8.1 and activate it with your license key. Upgrade Windows 10 and it will automatically be upgraded and activated.