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

Fix OneDrive Sync Pending Due to Long File Names

You see "sync pending" in OneDrive, and the file won't upload or download. Often the culprit is a...

Fix Windows Defender Access Denied in Safe Mode

You may see an 'Access Denied' error when trying to open Windows Defender in Safe Mode. This typi...

Docker Container Restarting Due to Health Check: Causes and Fixes

Fix 'Windows Security Module Not Found' Antivirus Error

If you see a message like "Windows Security module not found" inside your third-party antivirus p...

How to Fix Remote Desktop Authentication Failed Error

You try to connect to a remote PC via Remote Desktop (RDP) and get an error like "An authenticati...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...