Excel Hyperlink gives error cannot find internet server or proxy server

athens,

I'm pretty sure (not 100%, but close) that Excel only launches the hyperlinks. Once it is launched, you're computers Internet Explorer (or Firefox, or Opera, etc.) proxy settings will control how and if it makes an actual internet connection.

Make sure those settings are correct, and that there isn't an actual issue with your proxy server at the time. (Some proxy servers require authentication at random intervals.)

Other than that, someone else may need to assist.