Checklists for software errors, setup, and tool workflows.

How to Check Which Process Is Using a Port in PowerShell

When a service fails to start or an application complains that a port is already in use, you need...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

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

How to Troubleshoot Task Scheduler Failed to Start

When Task Scheduler fails to start, you might see an error like "Task Scheduler service is not av...

Fix npm install Peer Dependency Conflicts

When you run npm install and see warnings like UNMET PEER DEPENDENCY or...

Fix 'Command Prompt Returns 404 for Localhost'

If you run curl http://localhost or wget http://localhost in Command Pr...

Fix "Permission Denied" for Windows Terminal JSON File

When you try to edit the Windows Terminal settings file (settings.json) and get a "p...