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

Fix OneDrive Sync Issues After Windows Update

After a Windows update, OneDrive may stop syncing, show errors, or appear stuck. This is often du...

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...

Fix Windows Defender Threat Service Stopped After Update

After a Windows Update, you might see a yellow warning in Windows Security saying "Threat service...

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 Security Authentication Failed' for Domain Credentials

Setup Windows Defender to Trust an SSL Certificate

If you're running a local development server or an internal application with a self-signed or pri...