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

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

Fix pnpm install --frozen-lockfile Not Working

When pnpm install --frozen-lockfile fails, it usually means the lockfile doesn't mat...

Fix 'Windows Security Error: Virus Protection Turned Off'

You open Windows Security and see a red banner: “Virus & threat protection turned off.” This can ...

How to Set Up SSL Certificate for Localhost on Windows 11

If you're developing a web application locally and need HTTPS, you can set up a self-signed SSL c...

Fix Windows Activation Connection Timeout on Windows 10

When you try to activate Windows 10, you might see a message like “We can’t activate Windows righ...

Fix Chrome SSL Certificate Error: Invalid Common Name