I spent two years modernizing one of these IE only apps (moved to chrome/firefox). Sometimes the offending activex control is simply a xml component (literally

I spent two years modernizing one of these IE only apps (moved to chrome/firefox). Sometimes the offending activex control is simply a xml component (literally parsing, xsl, xpath, etc stuff) of a newer version than what was built in at one time. Firefox and Chrome don't handle xml nearly as seamlessly as old IE did. But other times these apps require IE11, but it's actually executing the page in IE6 or 7 compatibility mode. That was the case with mine, Microsoft DHTML Behaviors, the horror, the horror....