Software comparisons, alternatives, and tool decision notes.

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Fix Windows Update Error 0x80070002: Repair Steps

Windows Update error 0x80070002 usually means the system can't find a required file. This oft...

How to Reset Taskbar Icons in Windows 11: 4 Methods

If your Windows 11 taskbar icons are missing, showing generic file icons, or acting strangely, th...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix Nginx Configuration Test: Missing Semicolon Error

When running nginx -t to test your configuration, you might see an error like: