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

Windows Defender Proxy Error: Setup Checklist for Fix

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

Fix Microsoft Store 504 Gateway Timeout Not Loading

When you open Microsoft Store and see a 504 Gateway Timeout error, the app may not load at all. T...

Windows Update Cannot Connect (Permission Denied) Fix

If Windows Update fails with a “cannot connect” or “permission denied” error, it usually means th...

Fix CMD Service Unavailable Without Admin Rights

If you see 'service unavailable' when running commands in Command Prompt, and you don't have admi...

Remote Desktop Not Starting on Windows 11: Fixes That Work

You click Remote Desktop Connection, the window flashes, and nothing happens. Or the service won’...

How to Fix 502 Bad Gateway in PowerShell Invoke-WebRequest