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

Reset Remote Desktop Port to Default 3389

After changing the Remote Desktop (RDP) port for security reasons, you may need to revert to the ...

How to Fix Cloudflare 522 Error: Website Not Loading

If you're seeing a Cloudflare 522 error, it means Cloudflare successfully connected to your origi...

Windows Restore Point Missing After Update – How to Fix

You updated Windows, and now your System Restore points are gone. This is a known issue after maj...

Docker Compose Env File Not Found: Troubleshooting Checklist

Fix Command Prompt 404 Not Found Error

If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...

Fix Microsoft Teams Screen Sharing Not Working on Ubuntu

Screen sharing in Microsoft Teams on Ubuntu often fails silently—your audience sees a black scree...