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

Windows Defender Real-Time Protection Keeps Turning Off: Fixes

You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...

Fix VSCode Source Control Not Detecting Changes

You open the Source Control panel in Visual Studio Code, expecting to see your file changes, but ...

Fix npm run build Failed with PostCSS Error

You run npm run build and see a PostCSS error. This often happens after updating pac...

How to Allow Unrelated Histories in Git Merge

Activate Python Virtual Environment in VS Code

You've created a Python virtual environment but can't get VS Code to use it. The terminal...

Chrome Certificate Error Invalid Authority: Diagnosis Checklist

When Chrome shows NET::ERR_CERT_AUTHORITY_INVALID and refuses to load a site, it...