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

Fix net::ERR_CERT_AUTHORITY_INVALID on Chrome in Linux Terminal

When you see net::ERR_CERT_AUTHORITY_INVALID in Chrome on Linux, it usually means th...

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

Fix ERR_CONNECTION_RESET Caused by Chrome Extensions

If Chrome suddenly shows ERR_CONNECTION_RESET on sites that used to work, a misb...

Fix Windows Update Error 0x80070002 on Windows 11

If you see error 0x80070002 when running Windows Update on Windows 11, it usually means Windows c...

Docker Compose Environment Variable Not Updating? Fix It

How to Fix Chrome Extensions Not Loading or Grayed Out

You open Chrome, click the puzzle icon, and see your extensions grayed out or missing. They don&#...