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

Fix OneDrive Sync Permission Denied on Mac

If you see a "permission denied" error when OneDrive tries to sync files on your Mac, the sync st...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Setup Windows Security to Fix 502 Bad Gateway Error

If you're seeing a 502 Bad Gateway error while running a local web server on Windows, the problem...

Fix Windows Defender Port Already Allocated Error

When you see the error 'port already allocated' related to Windows Defender, it usually means ano...

How to Fix Windows Activation SSL Certificate Error

If you see an error like "SSL certificate problem" or "There was a problem with the activation se...

Windows Security Troubleshooting Guide

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...