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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

OpenVPN Unable to Connect to Remote Server: Fixes

You click Connect in OpenVPN, wait, and then see "Unable to connect to remote server." This is a ...

Fix Windows Defender Proxy Error on Windows 11

If you see a proxy error in Windows Defender on Windows 11, it usually means Defender can't reach...

BitLocker Proxy Error Troubleshooting Checklist

When BitLocker reports a proxy error, it usually means the encryption key cannot be retrieved fro...

Fix Nginx Sync Permission Denied Between Servers

When syncing nginx configuration files between servers, you might see errors like Permissio...