Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Fix Windows Security Loading Issue with Built-In Repair Tools

Fix Windows Security Loading Issue with Built-In Repair Tools

If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...

Fix 'Access Denied' Error When Using Net User in Command Prompt

Fix 'Access Denied' Error When Using Net User in Command Prompt

When you run the net user command in Command Prompt and see an 'Access Denied' messa...

Checklist to Resolve Windows Search Authentication Failed

Checklist to Resolve Windows Search Authentication Failed

You open Windows Search, type a query, and get an error like “Windows Search authentication faile...

Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy

Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy

When you run Invoke-WebRequest in PowerShell and hit a network error, a misconfigure...

Fixing Remote Desktop Invalid Configuration for Network Level Authentication

Fixing Remote Desktop Invalid Configuration for Network Level Authentication

When you try to connect to a remote computer using Remote Desktop (RDP) and see an error like "An...

Fix Microsoft Teams Camera Not Working with Virtual Background

Fix Microsoft Teams Camera Not Working with Virtual Background

You’ve set up a virtual background in Microsoft Teams, but your camera stops working or shows a b...