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

Fix Windows Defender Real-Time Protection Not Running

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

Docker No Space Left on Device: Check Disk Usage

When Docker throws a "no space left on device" error, it usually means your storage is fu...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

How to Fix Cloudflare 521 Error (Port 443 Blocked)

When you see a Cloudflare 521 error, it means Cloudflare’s servers cannot connect to your origin ...

Fix VSCode IntelliSense Not Working with TypeScript

You open a TypeScript file in VSCode, start typing, and get no autocomplete, no hover info, no er...