IE 11 (or 10) kendo ui file upload will not upload unless I refresh the page (ctrl-F5)

IE 11 (or 10) kendo ui file upload will not upload unless I refresh the
page (ctrl-F5)

Environment specifics:
MVC4 app
Kendo UI File Upload
IE 11 (or 10)
Windows Authentication
When I load the view for the application that has the file upload kendo
tool in IE the file upload returns a 401 unauthorized error (traced from
server). If I refresh the page (ctrl-F5) then the tool works fine. This
tool works fine with Chrome.
any idea why or how to fix?