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 Troubleshoot Command Prompt Settings Issues

If you've changed Command Prompt settings—like font, colors, or layout—and they don't stick or be...

How to Fix a 502 Bad Gateway Error in Windows Terminal

If you see a 502 Bad Gateway error in Windows Terminal, it usually means the ter...

Fix WSL Ubuntu Proxy Settings Not Working

If you've configured proxy settings in WSL Ubuntu but they aren't being used by apt or other tool...

Fix Outlook Stuck on Loading Profile When Creating a New Profile

If you’re trying to create a new Outlook profile and it gets stuck on “Loading profile,” you’re n...

Fix MongoDB Authentication Failed Permission Denied Error