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

Fix Outlook Connection Refused After Password Change

If you changed your email password and now Outlook shows 'connection refused' or 'unable to conne...

Enable Chrome Extension When Access Denied: Fixes

You try to enable a Chrome extension, but Chrome shows an 'access denied' or 'blocked by admin' m...

Fix Windows Security Stuck on Loading After Update

After a Windows Update, you might open Windows Security and see a spinning circle or a blank page...

Fix Windows Defender 502 Bad Gateway Permission Denied

If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Checklist for Debugging 502 Bad Gateway in Command Prompt

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...