Checklists for software errors, setup, and tool workflows.

How to Fix a Microsoft Store App That Won't Download

You click install on a Microsoft Store app, but the download never starts, stalls at 0%, or fails...

How to Fix Outlook 'Connection Refused' Error from Antivirus Blocking

If you see a 'Connection refused' error in Outlook, especially when sending or receiving email, y...

How to Fix Windows Activation Rate Limit Errors

You try to activate Windows but get an error saying you've exceeded the activation limit or a gen...

How to Fix Command Prompt High CPU Usage on Windows 10

If you notice high CPU usage in Task Manager attributed to Command Prompt or

Fix OneDrive Sign-In Issues on Windows 10

You try to sign in to OneDrive on Windows 10, but it either hangs, shows an error, or loops back ...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...