Checklists for software errors, setup, and tool workflows.

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...

Fix Missing Dependencies in Microsoft Store Offline Installer

When you use a Microsoft Store offline installer (sometimes called an app bundle or .appxbundle f...

Fix Command Prompt 404 Not Found Error

If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...

SSH Host Key Verification Failed: Troubleshooting Checklist

When you connect to a remote server via SSH and see "WARNING: REMOTE HOST IDENTIFICATION HAS CHAN...

Microsoft Store Service Unavailable: Reinstall App Fix

When you see 'Microsoft Store service unavailable' while trying to open or update an app, it ofte...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...