Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git pull, then git push, and get: ! [rejected] non-fast-f...

Fix pip install: Dependency Conflict and Permission Denied
When you run pip install and see messages about dependency conflicts or permission d...

Fix VS Code Permission Denied on Network Drive
You open a folder on a network drive in VS Code, and when you try to save a file or run a task, y...

Fix Nginx 502 Bad Gateway in Docker Containers
An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode
You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...

Fixing Docker Pull Access Denied in Docker Desktop
You try to pull a Docker image in Docker Desktop and see access denied. This usually...