Do you mean when you double-click on a file in Windows Explorer with AutoCAD closed you get two files open, one empty and the other the file you wanted?
Or does this happen when inside AutoCAD and you use OPEN command?
Or does this happen with AutoCAD open and only when you double-click a file outside of AutoCAD?
Why are you posting in Express Tools for a non-ET issue?
Access a broad range of knowledge to help get the most out of your products and services.