Learn how to fix Windows Activation Key Error 0x80072f8f. Our Windows Support team is here to help you with your questions and concerns.

Windows Activation Key Error 0x80072f8f – Resolved

If you have been coming across the following Windows error, you have come to the right place.

Windows activation key error 0x80072f8f

Some of the commonly seen reasons behind this error include:

• Invalid date and time
• Virus or malware infection
• Corrupt system & DLL files
• Outdated device drivers
• Misconfigured files in Microsoft Store

Troubleshooting Tips

1. Set the Correct Date & Time
   1. First, press Windows + I to access Windows settings.
   2. Then, click Time & Language, disable Set time automatically and Set time zone automatically, and enable them once again.
2. Activate Windows
   1. First, head to the Window Start search field and enter slui.exe and press the Enter key.
   2. Then, enter the product key in the Activation window.

   If the above steps did not activate Windows, we can try changing the value data in Windows Registry. Our experts recommend taking a backup of the Windows Registry before changing the value.
3. Update Windows

   In some cases, the error can be resolved by updating Windows. We can do this by heading to Windows Settings and clicking Windows Update under Update & Security.
4. Run Windows Troubleshooter

   We can also run Windows troubleshooter to fix the error. We can find this option in Windows Settings.
5. Repair and Reset Microsoft Store Apps

   If the error still persists, we can try repairing and resetting Microsoft Store apps.
6. Repair System Files

   Alternatively, try repairing Windows corrupt system files using Command Prompt & executing sfc /scannow and DISM commands to resolve the issue.

   1. First, run Command Prompt as administrator and enter SFC /scannow and press the Enter key.
   2. After the above command runs, we have to run these commands:

      Dism /Online /Cleanup-Image /Check health
Dism /Online /Cleanup-Image /restorehealth
   3. After the process is finished, we have to restart the computer.