Why do I get “500 Internal Error” messages in my browser when trying .snap or .monitor commands?
This occurs when you have Internet Developers Toolkit v1.0 installed in conjunction with LabVIEW 5.0; the problem and solution are explained in the summarized in the Internet Toolkit Configuration portion of this troubleshooting guide and are also explained in the LabVIEW 5.0 Upgrade Notes that shipped with your copy of LabVIEW 5.0.