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

How to Fix Microsoft Store Failed to Start Error

When you click the Microsoft Store icon and nothing happens, or you see a generic “failed to star...

Fix Windows Defender Module Not Found Error

You open Windows Security and see an error: "Module not found" or "Windows Defender module not fo...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

Fix Microsoft Store Permissions Issue in Windows 10

Windows Update Login Loop Troubleshooting Checklist

If you're stuck in a Windows update login loop — where you sign in, the screen goes black or logs...

Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...