Checklists for software errors, setup, and tool workflows.

Microsoft Teams Connection Refused: Troubleshooting Checklist

When Microsoft Teams shows a 'connection refused' error, the app cannot reach its servers. This u...

Fix 502 Bad Gateway in Task Scheduler

If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...

Fix Windows Terminal JSON Settings 404 Not Found

You open Windows Terminal, click Settings, and instead of the JSON file you get a blank page or a...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Checklist to Resolve Remote Desktop Invalid Configuration

When you try to connect to a remote computer and see an "invalid configuration" error, it usually...

Fix Remote Desktop Connection Refused: RDP Port Blocked

When you try to connect to a remote Windows machine and get a connection refused error, the RDP p...