Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Microsoft Store High CPU Usage When Not Working

If the Microsoft Store is using high CPU and not working properly, you might see a frozen app, sl...

Fix Outlook Connection Refused Error 0x80040115

Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...

Fix Slow Command Execution in Command Prompt

If you notice that commands in Command Prompt (cmd.exe) take several seconds to execute, even sim...

How to Troubleshoot Task Scheduler Failed to Start

When Task Scheduler fails to start, you might see an error like "Task Scheduler service is not av...

Fixing Task Scheduler 504 Gateway Timeout Configuration

If you have a scheduled task that calls a URL or web service and you see a 504 Gateway Ti...

Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...