Checklists for software errors, setup, and tool workflows.

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Task Scheduler 504 Gateway Timeout: Causes and Solutions

If you use Task Scheduler to run scripts that call external APIs or web services, you might see a...

Fix PostgreSQL Connection Refused from Docker Container

You have a Docker container that needs to connect to a PostgreSQL database. The container starts,...

Fix PowerShell Not Opening After Windows Update

After a Windows update, you might find that PowerShell won't open at all—no window appears, or it...

Checklist for Fixing Windows Defender Command Not Found

When you run Get-MpComputerStatus or Start-MpScan and see "The ...