Checklists for software errors, setup, and tool workflows.

GitHub Actions Workflow Stuck Pending: How to Fix

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

Microsoft Store Cache Reset vs Settings Reset: What's the Difference

If you're having trouble with the Microsoft Store—apps won't download, updates fail, or the store...

Fix Microsoft Store Blank Screen When Opening an App

You launch an app from the Microsoft Store, and instead of the app window, you get a blank screen...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

You run certbot renew and get an error like “Failed to authenticate” or

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Outlook Service Unavailable: Practical Troubleshooting Checklist

You open Outlook and see the dreaded “Service Unavailable” error. This usually means Outlook can’...