Troubleshooting Windows Activation Errors
Windows can present an error during activation for many different reasons, please run through the troubleshooting steps in the order listed below.
- Internet Connection & System Time
Make sure your computer is connected to the internet and that the system date and time is set correctly for your local timezone.
- Activation Troubleshooter
Run the Windows Activation Troubleshooter which will attempt to automatically resolve any issues.
- Windows Update
Check Windows Update for any outstanding updates, download and install any outstanding updates.
Restart your computer and retry the activation.
- Phone Activation
You may be given the option to use the toll-free phone activation service, do this by clicking the Activate by Phone link on the activation page.
If you receive error code (0xC004F050)
This error code usually means the edition of an OEM key does not match the edition of Windows that is already installed on the PC. The following guides contain the solutions.