Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Microsoft Teams 504 Gateway Timeout During Setup

You're setting up Microsoft Teams and hit a 504 Gateway Timeout. The setup process stalls, and yo...

Fix Windows Defender Real-Time Protection Grayed Out

You open Windows Security, go to Virus & threat protection, and see Real-time protection is turne...

Microsoft Store File Locked: Troubleshooting Checklist

When you try to install or update an app from the Microsoft Store and get an error about a file b...

Fix Command Prompt Failed to Start Due to Corrupted System Files

When Command Prompt fails to start with an error referencing corrupted system files, it usually m...

Fix 'Windows Update File Locked by Another Program' Error

When running Windows Update, you may see an error like "The file is locked by another program...

Windows Security Not Working on Mac: Fixes and Workarounds
If you're running Windows on a Mac via Boot Camp or a virtual machine and Windows Security (forme...