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

Fix OneDrive Sign-In Problem After Update

After a Windows or Microsoft 365 update, OneDrive may get stuck on the sign-in screen or show err...

Fix OneDrive Sync Connection Refused on Windows 11

If you see "connection refused" when OneDrive tries to sync on Windows 11, the app can't reach Mi...

How to Fix Windows Defender Proxy Error

If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...

How to Fix PowerShell Port Already Allocated Error

When you try to start a TCP listener or run a script that binds to a specific port in PowerShell,...

Windows Update 502 Bad Gateway: Quick Troubleshooting Checklist

When Windows Update returns a 502 Bad Gateway error, it usually means the update...

Fix GitHub Actions Docker Push Permission Denied