IE users cannot use the upload field

We are having issues with some users using IE with regards to the upload field. They cannot upload docs. They can not drag files are use the button when this happens. Please help ASAP!!  Attached is a screenshot of the issue

We are sorry for the inconvenience this may have caused.

Can you please try using the Iframe code in embedding your form?

Guide:Getting-the-Form-iFrame-Code

Please give it a try and let us know if the issue still remains.