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

How to Fix a File Locked by Windows Security in Windows 10

You try to open or run a file, and Windows Security blocks it with a message like "Windows protec...

How to Fix Microsoft Teams 404 Error After Update

After a Microsoft Teams update, some users see a 404 error when trying to open the app or access ...

Fix Windows Security Auto-Start Permission Denied Error

You might see a 'permission denied' error when Windows Security (Windows Defender) fails to start...

How to Fix kubectl Context Not Found Error

Fix Microsoft Store Connection Refused by Firewall

If you see "connection refused" when opening Microsoft Store, your firewall or network settings a...

How to Temporarily Turn Off Windows Security for Troubleshooting

If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...