If your web browser is not opening a application on the cloud and is attempting to download a file call Launch.ica most likely you do not have the Citrix Client software instaled.

For Windows user download and install the Web Access Client.

http://www.citrix.com/English/ss/downloads/details.asp?downloadId=2...

For Mac users download the Mac receiver.

http://www.citrix.com/English/ss/downloads/details.asp?downloadId=2...