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

Fix PowerShell Authentication Failed Credentials Error

Fix Windows Defender Real-Time Protection Not Working with Network Error

You open Windows Security and see a yellow warning that real-time protection is off. When you try...

Clear Microsoft Teams Cache Without Losing Data

If Teams is running slowly, failing to load messages, or showing outdated content, a corrupted ca...

Fix Microsoft Teams Port Already Allocated Registry Error

When launching Microsoft Teams, you may encounter an error stating that a port is already allocat...

Fix Remote Desktop Mac Full Screen Not Working

You connect to a remote Windows PC from your Mac using Microsoft Remote Desktop, but the session ...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...