Checklists for software errors, setup, and tool workflows.

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix PowerShell Permission Denied Error on Startup

Opening PowerShell and seeing a 'permission denied' error can stop you before you start. This usu...

Fix Outlook 404 Not Found Error in Microsoft 365

You open Outlook in Microsoft 365 and see a '404 Not Found' page. This usually means Outlook can'...

Fix GitLab Runner Pending Permission Denied Error

You see a GitLab Runner job stuck in "pending" status, and the job log shows a "permission denied...

Fix PowerShell High CPU Usage with Permission Denied Errors

You open Task Manager and see PowerShell consuming a high percentage of CPU. At the same time, yo...

Fix 'No matching distribution found for scipy' on Mac

When you run pip install scipy on a Mac and get ERROR: No matching distributio...