Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

How to Fix Windows Security File Locked Errors

You try to open a file and see a message like "The file is locked" or "Access denied." Sometimes ...

How to Fix Edge Profile Sync Paused Error

You open Microsoft Edge and see "Sync paused" under your profile. Your bookmarks, passwords, and ...

Fix Windows Update Cleanup Stuck Error 0x80070002

When running Disk Cleanup or the Windows Update troubleshooter, you might see error 0x80070002 an...

Fix Windows Security Failed to Start Due to Corrupted System Files

You open Windows Security and see the message: "Windows Security failed to start. Corrupted syste...

Fix Nginx 'unknown directive server_name' Config Test Error

When running nginx -t to test your configuration, you might see an error like ...

How to Fix Windows Defender 'Path Not Found' or 'Permission Denied'
You try to run a scan or open Windows Security and see "Path not found" or "Permission denied." T...