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

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

Microsoft Teams Token Expired Troubleshooting Checklist

If you see an error like "Your token has expired" or "Authentication needed" in Microsoft Teams, ...

MongoDB Compass Connection Refused After Update – Fixes

If you updated MongoDB Compass and now see a 'connection refused' error when trying to connect to...

Microsoft Teams Mic Not Working After Update: Fixes

After a Microsoft Teams update, you might find your microphone stops working—no one can hear you,...

Fix Microsoft Store Error 0x80070424 on Windows 11

When you try to open or download an app from the Microsoft Store on Windows 11, you might see err...

Fix 'ffmpeg command not found' in PHP exec()