Knowledge base for software setup, errors, and daily tool work.

Fix Windows 11 Update Stuck on Loading Screen

You're updating Windows 11, and the screen shows a spinning circle or a progress bar that hasn't ...

Fix Windows Activation Blank Screen via Registry

After activating Windows, some users see a blank screen with only a cursor. This usually points t...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Fix WireGuard Handshake Not Completing on Android

If you see 'Handshake did not complete' in the WireGuard Android app, the tunnel can't establish ...

Windows Security DNS Error Troubleshooting Checklist

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

How to Fix GitHub Actions Permission Denied (publickey) Error

You're running a GitHub Actions workflow and see Permission denied (publickey) when ...