Checklists for software errors, setup, and tool workflows.

How to Fix Nginx 404 Not Found with try_files Directive

You've set up your Nginx server block, but visiting your site returns a 404 Not Found error. The ...

Command Prompt Full System Restore Checklist

If your Windows system is unstable or won't boot, you might need a full system restore. Using Com...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Chrome Profile Sync After a Failed Start

If Chrome fails to start properly—perhaps after a crash, power loss, or update glitch—you may fin...

Fix Outlook SMTP Server Not Responding Error

When Outlook says SMTP server is not responding, you can send email but not receive it. This usua...

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...