Checklists for software errors, setup, and tool workflows.

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Teams App Stuck on Loading Screen on Mac

If Microsoft Teams gets stuck on the spinning loading circle on your Mac, you’re not alone. This ...

Fix Windows Activation Version Mismatch After Hardware Change

After swapping out a motherboard or other major hardware, you might see an error that Windows act...

Fix BitLocker Access Denied in Command Prompt

If you see 'Access Denied' when running BitLocker commands in Command Prompt, the issue is usuall...