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

Fix Microsoft Teams Token Expired Error

You're working in Microsoft Teams when a message pops up: "Your token has expired" or "Authentica...

Fix GitHub Actions Cache Action Permission Denied Error

Windows Activation Auto Start Troubleshooting Checklist

If Windows keeps prompting you to activate every time you start your PC, it's usually a sign that...

Windows Security 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...

Chrome Profile Deletion Not Working? How to Remove It

You try to delete a Chrome profile from the settings page, but the option is grayed out, missing,...

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...