Windows 10 activation Error 0xC004C003, 0xC004C008, 0xC004E002, 0xC004C020 and 0xC004C4aa
Windows activation error
In most of the windows 10 and 8/8.1 upgrade cases you might face the activation Errors 0xC004C003, 0xC004C008, 0xC004E002, 0xC004C020 and 0xC004C4aa. It’s an Activation error which says the server determined the keys to be invalid or keys are blocked.
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The Visible error might be like:
“The server determined the keys to be invalid or keys are blocked.”
For users who directly upgrade to windows 10 from Windows 7 or 8.1, there should not be such error. But this activation error will be shown to those who Fresh installed Windows 10. I will try to help you fix this Activation Error 0xC004C003 in Windows 10. You are seeing this 0xC004C003, 0xC004C008, 0xC004E002, 0xC004C020 and 0xC004C4aa Error because the computer detects everything as new even the product key for activation.
Windows activation error
Follow the steps to fix the issue with activation of windows.
Step 1. Solving Windows 10 Activation Errors 0xC004C003
Enable windows activation service.
- Open run command box
- Type “services.msc “and click enter
- Search for windows activation service
- Right click on the service and select start.
- Try activating the windows now.
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Step 2. fixing Windows 10 Activation Error 0xC004C003
Recovery Restart
- Click on Start button
- Go to Settings
- Click on Update and Security.
- Now on the left Pane you will go to Recovery.
- You will see Reset this PC Option so Click on Get Started.
- Sit back and wait until everything is over and see if the Error 0xC004C003, 0xC004C008, 0xC004E002, 0xC004C020 and 0xC004C4aa is fixed.
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