Software comparisons, alternatives, and tool decision notes.

Fix Explorer.exe Keeps Restarting in Windows 10

If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

Restore Windows Defender Real-Time Protection After Malware Disables It

If your Windows Defender real-time protection has been turned off and you suspect malware is the ...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Docker Build Context Canceled: Checklist and Fixes

You run docker build and see context canceled before the build finishes...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...