Troubleshoot your networking problems like a pro, never having to deal with "Connection refused." ...

Internet connection availability and access in Windows is indicated via an icon residing on the taskbar. If you see a yellow triangle exclamation mark on Network icon, it may mean that your Windows 11 ...

The variants of the message that you could see are: The remote computer requires Network Level Authentication, which your computer does not support. For assistance, contact your system administrator ...