Checklists for software errors, setup, and tool workflows.

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Taskbar Icons Missing After Windows Update: How to Restore Them

After a recent Windows update, you might notice that some or all taskbar icons have disappeared. ...

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Fixing Nginx 502 Bad Gateway with Docker and Load Balancers

If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...

Fix Windows Search Indexing Not Working After Upgrade

After a Windows feature update or major upgrade, you may find that search results are slow, incom...

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...

Fixing Windows Update Error 0x80070005 and SFC Scan Issues
You try to run Windows Update but get error 0x80070005. When you run System File Checker (SFC /sc...