Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to install a Python package with pip, and get an error like error: externally-manag...

Repair Corrupt Windows Search Index Database
When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...

Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error
When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Fix VSCode Git Authentication Failure with Bitbucket
You're working in Visual Studio Code, you try to push or pull from a Bitbucket repository, an...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS
When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...