Software comparisons, alternatives, and tool decision notes.

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Fix Windows Defender Real-Time Protection Not Running

You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix VSCode Breakpoints Not Hit in launch.json

You set a breakpoint in Visual Studio Code, start debugging with a launch.json confi...

Fix Nginx Permission Denied on Socket File

When Nginx throws a "permission denied" error for a socket file, the web server can't...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

If you see ! [rejected] main -> main (non-fast-forward) when running