See https://github.com/cztomczak/phpdesktop/wiki/Knowledge-Base#error-500-internal-server-error-cgi-program-sent-malformed-or-too-big-16384-bytes-http-headers
This error message can be intercepted in CefLoadHandler::OnLoadError and handled appropriately by displaying a friendly error message explaining what is happening.
See also Issue #74 that displays a friendly error message for other case.
Original issue reported on code.google.com by [email protected]
on 15 Oct 2014 at 9:55