Checklists for software errors, setup, and tool workflows.

Fix 'Connection Refused' in Windows Terminal to Remote Server

When you see 'connection refused' in Windows Terminal while trying to connect to a remote server ...

Fix Remote Desktop 502 Bad Gateway & Gateway Timeout

If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...

How to Fix Outlook Rate Limit Error When Sending Emails

If you see an error like “You’ve reached the limit for sending email” or “Try again later” when s...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Activation Proxy Error 0x80072ee2

When trying to activate Windows, you may see error code 0x80072ee2. This usually means the activa...

Fix Windows Security Invalid Configuration Permission Denied

You open Windows Security and see 'Invalid configuration. Permission denied.' This usually means ...