msLaunchUri not available in IE11
问题 I'm doing some fanciful work of launching a particular program (created by us) from a website. Currently, I'm still in the research phase, so I'm open to very outlandish suggestions. Basically, our app will open through a "myapp://something" link; something Steam users might be familiar with. However, for usability, we want to safely provide some error scenario if someone clicks such a link without the appropriate program installed. Most browsers simply take you to an unhelpful, full-tab