Checklists for software errors, setup, and tool workflows.

Jupyter Kernel Not Starting: Quick Fixes

You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...

How to Fix Microsoft Store Update Stuck at 0 Percent

You click Update in Microsoft Store, but the progress bar sits at 0% for minutes or hours. This i...

Fix Remote Desktop Not Working on Ubuntu After Update

After a system update, you may find that remote desktop connections to your Ubuntu machine stop w...

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 Windows Update Service After Antivirus Install

You installed a new antivirus program, and now Windows Update won't run. The service might be dis...

GitHub Actions Workflow Fails With No Error Message

You run a GitHub Actions workflow, it fails, but the log shows no error message—just a red X. Thi...