
Fix KMS Activation Error: Port 1688 Already in Use
When activating Windows via a Key Management Service (KMS) host, you may encounter the error
Software troubleshooting desk

When activating Windows via a Key Management Service (KMS) host, you may encounter the error

You launch the Microsoft Store and notice your CPU usage spikes, or you get a 'Permission Denied'...

If you click the Microsoft Store icon and nothing happens—no window, no error—you're not alone. T...

When you open Windows Security and see a “502 Bad Gateway” error, it means the app can’t connect ...

You try to check for Windows updates and see an error like “Authentication failed” or “Password i...

You start your PC, open Windows Update, and it sits on 'Checking for updates' for 10, 20, 30 minu...