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

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...

How to Fix 'npm command not found' on Mac

How to Reauthenticate OneDrive Sync on Windows and Mac

If OneDrive has stopped syncing and you see errors like 'Sign in required' or 'Credentials needed...

Fix Outlook Module Not Found Configuration Error

You open Outlook and see an error like "Outlook module not found" or "Configuration module not fo...

Windows Defender Offline Scan Not Working: Practical Fixes

You run a Windows Defender offline scan to remove stubborn malware, but the scan either fails to ...

Microsoft Teams 502 Bad Gateway Error: Troubleshooting Checklist

When you see a 502 Bad Gateway error in Microsoft Teams, it usually means the server received an ...