How to fix Windows activation error 0xc004c008?

by Lucia Danes - -
12

Question

Issue: How to fix Windows activation error 0xc004c008?

Hi, guys. Could you please tell me why I am getting an error code 0xc004c008 when installing Windows 10. I have a valid product license key, so I have no idea why Windows 10 cannot be successfully be activated. Please advice.

Solved Answer

The Error Code 0xc004c008 is a known Windows problem. People can come across this error on Windows 7, 8 , 8.1, and 10, but the oldest version (Windows 7) is not very likely to return this error anymore. Usually, people come across this bug when trying to install Windows 8 or 10 more than once.

This bug check means that the product key[1] you are using has already been used on another PC, or it’s being used on more devices than the Microsoft Software License Terms[2] allow. If you are installing Windows OS on the same device, the same product activation code will be approved as many times as you need. However, in case your PC crashed and you changed it to another one, the same license key won’t fit, which is why you may get the error code 0xc004c008.0xc004c008 error

The problem may be triggered by the changes of some hardware components[3] either. For instance, if you changed a motherboard, RAM or hard drive, Microsoft may treat your device as a new one and reject the license key that you own.
In case your Windows 10 license expired or it’s no longer valid because you’ve changed the PC or reached the limit of devices that can run using the same product license key, you will have to buy a new Windows product activation code from Windows Store:

  • Press Windows key + I to open Settings.
  • Select Update & Security and open Activation tab.
  • Select Go to Microsoft Store. Once there, follow the on-screen instructions to by Windows 10 license.

Purchase new license

In case the error shows up even if the activation code is valid and you are using it on the same PC, you may try running Windows Activation Troubleshooter or activate Windows using your phone:

Method 1. Run Windows Activation Troubleshooter

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  • Press Windows key + I to open Settings.
  • Select Update & Security and open Activation tab.
  • Click Troubleshoot button.

NOTE: to run the troubleshooter, you’ll have to sign in as administrator.Run activation troubleshooter

Method 2. Try Phone Activation

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Press Windows key + R to open Run.
  • Type SLUI 4 command and press Enter.
  • When Phone Activation window opens, select your country.
  • Now call the activation number. Prepare your Installation ID as you’ll be asked to type it in.
  • Specify how many copies of Windows you have installed with the license. Normally, you should select 1. Other options will not work.
  • Finally, you should get a confirmation ID.

Try Phone activation

TIP: to keep Windows protected and optimized, we recommend installing a powerful optimization utility. Our recommendation is Reimage. This program can not only take care of your system’s files and registry entries. It will protect the system from malware as it has an inbuilt Avira AntiVir engine.

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About the author

Lucia Danes
Lucia Danes - Security researcher

Lucia Danes is the news editor at UGetFix. She is always on the move because the eager for knowledge makes her travel around the globe and attend InfoSec events and conferences.

Contact Lucia Danes
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