Confirm that version of Windows you just installed is activated, after it if you want to upgrade to Windows 10 then download the entire available updates.

Start your PC through DVD (you can set the priority through BIOS).

Insert your Windows Installation CD/DVD, make sure that you have a valid Product Key of the CD/DVD.

In this method you have to install Windows 8.1 or Windows 7 again and after it tries to upgrade your PC to Windows 10.Īfter upgrading to Windows 10, now you can attempt to do a clean install to fix error code: 0xc004c003. Method 3 : Try Installing Windows 7/8 then Upgrade.

At last, you have to enter the product key that you noted from Step 2 and at last click on the Next.

Next, go to the Activation section present at the left pane and select the Change the product key from the right pane.

Now, open the Settings App by pressing the Windows Key + I and then go to the Update & Security section.

This command will display your product key.

After opening the command prompt, type the wmic path SoftwareLicensingService get OA3xOriginalProductKey command and press the Enter key.

Press Windows + X to and choose the Command Prompt (Admin).

In this method, we will try to fix Error code: 0xC004C003 with the help of executing a command in the Command Prompt.

So, create a full system image backup of your Files before performing the above steps.

Note: The resetting process will delete the entire files/Folders from the system drive or the drive where Windows 10 is installed.

It will take a few times to complete the entire resetting process.

“ Reset this PC Option” will appear, so click on Get Started.

After it on the left Pane go to Recovery.

Click on the Update and Security option.

Click on the Start button-> go to Settings.

Generally, this solution is not very effective but it is recommended that try it once.

Method 6: Ping The Network Starts With The Microsoft Serversīy simply resetting your computer or laptop you can fix this issue.

Method 3: Try Installing Windows 7/8 then Upgrade.

0xc004c003 windows 10 activation