Methods to Repair Activation Error code 0xC004C003 Product key blocked

Error code 0xC004C003Same as the Windows 7 and 8.1 the latest version of operating system i.e. Microsoft Windows 10 fetches the attention of the millions Windows users. But Errors and bugs disappoint the users, engineers of Microsoft fixed lots of issue and still working to stabilize many other latest errors.

Among many errors one of the Common errors that are in trend nowadays is Error code 0xC004C003. This is actually an Activation error, this error says that server resolute the keys to be invalid or keys are blocked. If you directly upgrading to windows 10 from Windows 7 or 8.1 then you doesn’t have to face such error. This error may appears on those computers or laptops who Fresh installed Windows 10.

Causes of Error code 0xC004C003

The main cause of this error is, Windows Servers are over packed. If your computer is suffering from this error then wait for one fine day and you will see that windows get activated.

Fixing Error code 0xC004C003

Method 1: Try to Reset your PC.

Is Your PC Running Slow & Needs Optimization?
Don't Miss The BEST TOOL To FIX PC Errors & Issues

By simply resetting your computer or laptop you can fix this issue. Generally this solution is not very effective but it is recommended that try it once. Apply the below given steps.

Step 1: Click on the Start button-> go to Settings

Step 2: Click on the Update and Security option.

Step 3: After it on the left Pane go to Recovery.

Step 4:  “Reset this PC Option” will appear, so click on Get Started.

Step 5: It will take few time to complete the entire resetting process.

Note:  The resetting process will delete the entire files/Folders from the system drive or the drive where Windows 10 is installed. So create a backup of your Files before performing above steps.


Method 2: Installing Windows 7/8 then Upgrade.

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.
After upgrading to windows 10, now you can attempt to do a clean install. Follow below given steps.

Step 1: Insert your Windows Installation CD/DVD, make sure that you have a valid Product Key of the CD/DVD.

Step 2: Start your PC through DVD (you can set the priority through BIOS).

Step 3: Install Windows 7 or 8/8.1.

Step 4: 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. Through this you can see Windows 10 upgrade notification in the tray.

Step 5: If your system doesn’t show Windows 10 upgrade notification then you have to Download Windows Media Creation Tool from Microsoft. 

Step 6: After it execute the tool and Use Upgrade this PC feature so that it will download Windows 10.

Step 7: After the completion of Installation process you have an activated Windows 10 operating system without any activation error like 0xC004C003.

Above given methods will help you to make your Windows 10 PC or laptop error free, some of them are little difficult and risky so be aware while executing them. You may also use an automatic solution i.e. PC Error Repair Tool. This application is specially designed to deal with any types of internal error without need of any professional skill. It means now you can enhance your PC performance by fixing all errors without going to any computer repairing shop.

Follow 3 Simple Steps to Repair PC Instantly!

  1. Step 1 – Download & Install PC Repair Tool.
  2. Step 2 – Click “Scan” button to diagnose the PC.
  3. Step 3 – Click “Fix Errors” to the fix the issues and you are done.

(Note: This powerful tool can increase your performance by 97%)

, , , ,