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

How to Resolve Port Conflicts in Windows Terminal

You start a service or application in Windows Terminal and see an error like "port already in use...

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 Fix Windows Defender Error 0x800704ec

When you try to open Windows Defender (now called Microsoft Defender Antivirus) and see error cod...

Checklist for Troubleshooting Windows Defender Configuration Issues

Windows Defender (now Microsoft Defender Antivirus) sometimes fails to apply settings or behaves ...

How to Fix Remote Desktop 502 Bad Gateway Errors Related to Firewall Settings

If you're seeing a 502 Bad Gateway error when trying to connect to a remote desk...

Fix 'Outlook Path Not Found' Error After Migration