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

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Resolving Git Merge Conflicts in package-lock.json

If you work on a Node.js project with multiple contributors, you've likely seen a merge confl...

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Docker Compose Environment Variable Not Updating? Fix It

Fix Firefox Secure Connection Failed on Mac

If you see "Secure Connection Failed" in Firefox on your Mac, the browser is blocking the...