XML files won’t open in Internet Explorer after installing Dreamweaver 8.0

TechNote (Updated): After installing Dreamweaver 8.0 on a Windows 2000, Windows XP SP 1 or Windows XP (no service pack) machine, and making Dreamweaver the default editor for XML files, XML files will not open in Microsoft Internet Explorer. When you try to open an XML file in Internet Explorer, different symptoms can occur.