Modifying the below in registry will alllow you to define what is the default web browser

HKEY_CLASSES_ROOThttpshellopencommand

<!–
function externalLinks() {
if (document.getElementsByTagName) {
var anchors = document.getElementsByTagName(“a”);
for (var i=0; i
var anchor = anchors[i];
if (anchor.getAttribute(“href”) && anchor.getAttribute(“rel”) == “external”) {
anchor.target = “_blank”;
}
}
}
}
–>