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)...

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

How to Fix Microsoft Store App Installation Stuck

You click Install in the Microsoft Store, the progress bar starts, then it just sits there—maybe ...

Fix OneDrive Sync Rate Limit Error: Step-by-Step Guide

If you see an error like “Sync is paused due to high activity” or “Rate limit exceeded” in OneDri...

How to Fix npm ERR! code ERESOLVE in React Projects