Solved
TestExecute acts differently to TestComplete
I am seeing a issue where i have created a test that opens a file from IE-11, so i have managed to map the new popup window in IE11 and running the test on my development enviroment runs with no issu...
Take a look at this discussion: http://community.smartbear.com/t5/Functional-Web-Testing/Objects-are-Identifying-as-UIA-Objects-Instead-of-Win-Objects-In/td-p/94077
I'd inspect the button using Test Complete object spy or IE Dev tools and find a property such as ID that can be reliably used to locate the object.
