Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open the integrated terminal in Visual Studio Code using Ctrl+` (or Cmd+`<...

Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

Fix ERR_NAME_NOT_RESOLVED on All Sites in Chrome
If Chrome shows ERR_NAME_NOT_RESOLVED on every site you visit, it means your bro...

Fix Chrome Access Violation Error When Opening PDFs
You click a PDF link in Chrome and instead of the document, you see an error: Access Violatio...

Fix ERR_CONNECTION_RESET After Chrome Update
After a Chrome update, you may see the error ERR_CONNECTION_RESET when trying to...

Fix Nginx 'Permission Denied' Upstream Errors
When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...