Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you've installed Python on Windows 10 but get 'python' is not recognized

Fix VSCode Git Authentication Failed SSH Key Error
You try to push or pull in VSCode and get Git: authentication failed even though you...

Windows Security App Not Opening? Try These Steps
If the Windows Security app won't open, shows a blank screen, or crashes immediately, you'...

How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome
When Chrome shows DNS_PROBE_FINISHED_NXDOMAIN, it means the browser can't fi...

Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...

Fix 'Python Virtual Environment Activate Command Not Found'
When you try to activate a Python virtual environment with source venv/bin/activate ...