Checklists for software errors, setup, and tool workflows.

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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 Microsoft Teams Connection Timeout and Permission Denied

If you see "connection timeout" or "permission denied" when launching Microsoft Teams, the app ca...

How to Fix WinRAR Checksum Error and Configuration Settings

If you see a 'Checksum error' or 'CRC failed' message in WinRAR, the archive is likely damaged or...

How to Fix Command Prompt Freezing on Startup

You open Command Prompt, and instead of a blinking cursor, you get a frozen window that won't res...

Fix 'pip install no matching distribution found for requirements.txt'

When you run pip install -r requirements.txt and see ERROR: Could not find a v...

Windows Terminal Authentication Failed: Troubleshooting Checklist
When Windows Terminal shows 'authentication failed' during an SSH or remote connection, it usuall...