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elliotliu's avatar
elliotliu
Copper Contributor
Sep 03, 2026

Windows 11 Active fail

We cannot activate Windows on this device because we don't have a valid digital license or product key. If you believe you have a valid license or key, please select the troubleshooting option below. Error code: 0xC004C003

 

After selecting the "Troubleshooting" option, some issues caused the interruption of our troubleshooting process. Please make sure you are connected to the Internet. Wait for a few minutes and then try again. (0x80070005) The computer is connected to the network.

 

Version: Windows 11 Professional Insider Preview

 

Version Number: 25H2

 

Installation Date: ‎2026/‎8/‎24

 

Evaluation Expiration Date: ‎2027/‎11/‎1 7:43

 

Operating System Version: 26220.9223

 

Feature Pack: Windows Feature Experience Pack 1000.26100.446.0

 

licensing

2 Replies

  • Chloe1895's avatar
    Chloe1895
    Brass Contributor
    Sep 08, 2026

    This means the product key you entered has been blocked by Microsoft's activation servers. This is common with keys that were resold or are not genuine for this specific installation.