Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...

If you installed Windows on a machine that never went online, or used an offline installer (like ...

If your Outlook update is stuck on “Downloading 0%” or “Downloading updates…” for more than 15–20...

You try to launch Chrome with a specific profile using the --user-data-dir and

If Outlook won't connect to your email server or keeps timing out, your network might require a p...

You push a commit expecting a workflow to run, but it sits in a pending state for minutes or hour...