I just upgraded to Internet Explorer 11. I am using Outlook.com email. I get an error message every time i try to attach a file (picture, pdf, etc.).

I just upgraded to Internet Explorer 11.  I am using Outlook.com email.  I get an error message every time i try to attach a file (picture, pdf, etc.). Sending and receiving email works ok.  What should i do to fix or identify the problem?