Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Recover Lost Commits After Git Detached HEAD

You've made commits while in a detached HEAD state, and now you can't see them on any bra...

Fix 'pip externally managed environment' Permission Denied Error

If you see error: externally-managed-environment when trying to install a Python pac...

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Windows 11 Installation Assistant Stuck at 99% Due to Antivirus

You're running the Windows 11 Installation Assistant, it gets to 99%, and then just sits ther...

Resolve Python Package Version Mismatch Errors

You run pip install and see errors like “package A requires package B==1.0 but y...

Fix Chrome Black Screen on Mac: Hardware Acceleration Issue
You open Chrome on your Mac, and the screen goes black—or parts of the page are garbled. This oft...