Checklists for software errors, setup, and tool workflows.

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Fix Microsoft Store 404 Not Found Error on Reinstall

When you try to reinstall an app from the Microsoft Store and get a 404 Not Found

Fix Windows Security Connection Refused via Group Policy
You open Windows Security and see 'Connection refused' or 'Something went wrong.' Often this happ...

Fix Microsoft Store Error 0x80073cf3
When you try to install or update an app from the Microsoft Store, you might see error 0x80073cf3...

Fix Windows Defender DNS Error on Windows 10
If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...

Checklist for Fixing Windows Defender Command Not Found
When you run Get-MpComputerStatus or Start-MpScan and see "The ...

Fix Windows Activation Invalid Configuration Registry Error
You try to activate Windows, but instead get an error message saying the activation configuration...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Microsoft Store 404 Not Found Error on Reinstall

Fix Windows Security Connection Refused via Group Policy

Fix Microsoft Store Error 0x80073cf3

Fix Windows Defender DNS Error on Windows 10

Checklist for Fixing Windows Defender Command Not Found

Fix Windows Activation Invalid Configuration Registry Error

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