Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Chrome Profile Version Mismatch on Mac

You open Chrome on your Mac and see an error about a profile version mismatch. This usually happe...

Fix Chrome 'ERR_CONNECTION_REFUSED' Due to Proxy Settings

You're trying to load a website, but Chrome shows ERR_CONNECTION_REFUSED. The pa...

Fix pnpm Install Frozen Lockfile Permission Denied

When you run pnpm install --frozen-lockfile and see a Permission denied...

Set Windows Defender Threat Service to Automatic Startup

If Windows Defender is not running or you see errors like “Threat service has stopped,” the under...

Outlook Authentication Failed: Checklist to Verify Credentials

You open Outlook, try to send or receive email, and get an error: authentication failed

Outlook Token Expired When Sending Email: Fixes & Checks
You're composing an email in Outlook, hit Send, and get an error about an expired token. This usu...