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

Fix Windows Security Proxy 504 Gateway Timeout Configuration

When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...

BitLocker Access Denied: No Recovery Key – What to Do

If BitLocker is denying access and you don't have the recovery key, the situation is serious. Bit...

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

Fix WireGuard Handshake Not Completing on Android

If you see 'Handshake did not complete' in the WireGuard Android app, the tunnel can't establish ...

MongoDB Authentication Failed: Administrator Checklist

Fix Microsoft Store Blank Screen on Windows 10

You open the Microsoft Store on Windows 10 and see nothing but a blank white or gray screen. The ...