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

Fix KMS Activation Error: Port 1688 Already in Use

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...

Fix Task Scheduler Error 0x8007052e (Authentication Failed)

When a scheduled task fails with error code 0x8007052e, it usually means the tas...

How to Reset Command Prompt Color and Font Settings

If your Command Prompt text is hard to read, colors look off, or the font has changed unexpectedl...

Fix Windows Terminal 502 Bad Gateway Error

If you see a 502 Bad Gateway error in Windows Terminal, it usually means the ter...

WireGuard Handshake Not Completing: Peer Not Responding Fix

You see "handshake did not complete after 5 seconds, retrying" or "peer not responding" in your W...