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

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

How to Reinstall Windows Search Feature (Step-by-Step)

If Windows Search stops working—no results, missing files, or high CPU usage—reinstalling the fea...

How to Fix Network Errors in Command Prompt on Windows 10

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

How to Fix Chrome Connection Timeout Error

When Chrome displays a connection timeout error, it means the browser waited for a server respons...

Fix Windows Defender Not Starting Automatically via Registry

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...