Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Outlook, try to send or receive email, and get an authentication failed error. The progr...

When Outlook shows a 'connection refused' error, it usually means something on your network or co...

When you try to run a PowerShell script and see an error like … cannot be loaded because ru...

Fix Outlook High CPU Usage Caused by Antivirus Scanning
Symptoms and Likely Cause
You notice Outlook consuming 50% or more CPU, making your syste...

Fix Microsoft Store Blank Screen Loading Issue
When you open Microsoft Store and only see a blank white or gray screen, the app isn't loading co...

Fix Windows Search Returning 404 Not Found Error
When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...