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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix "ffmpeg command not found" After Homebrew Install

You installed ffmpeg via Homebrew, but when you type ffmpeg in the terminal, you get...

Fix Docker Compose Volume Permission Denied Errors

You run docker compose up and see errors like Permission denied when wr...

Why Windows Update Stuck at 100% and How to Fix It

You've waited for the update to finish, but the progress bar is stuck at 100% for what feels like...

Fix Windows Defender Not Starting Due to Antivirus Conflict

You open Windows Security and see a message that Defender is turned off or not starting. The most...

Fix Chrome Profile Authentication Failed on Mac

If you see a "Profile authentication failed" error in Chrome on your Mac, it usually means Chrome...