Checklists for software errors, setup, and tool workflows.

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Latest checklists

When running Certbot with the Nginx plugin, you may see an error like Could not find a conf...

Fix pip Permission Denied Error When Installing Packages Globally
You try to install a Python package with pip install somepackage and get a Per...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues
You run npm install in a Node.js project on Windows 10 and get an ENOTFOUND

Fix Outlook Slow Sending and Receiving Emails
You open Outlook, click Send/Receive, and wait. And wait. Emails trickle in or won't go out. This...

Fix Chrome Profile Permission Denied Error
When you see a "profile permission denied" error in Chrome, it typically means Chrome cannot read...

How to Fix 'npm command not found' on Mac
If you type npm in Terminal and see zsh: command not found: npm (or