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

Microsoft Store Authentication Failed: Quick Fix Checklist

You open the Microsoft Store, try to sign in, and get an authentication failed error. This can ha...

Reset Windows Defender Service to Default Settings

If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...

Fix Windows Update Invalid Configuration Error on Windows 10

You may see a 'Windows Update invalid configuration' error when trying to check for or install up...

Fix Windows Search Not Working After Update

After a Windows update, search might stop returning results or hang indefinitely. This usually ha...

Fix Chrome Profile Port Already Allocated Error

Fix Windows Defender Module Not Found Error

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