Here are some screenshots and directions of
what the dialogs may look like:

Click "Yes" on this dialog (selected in red below) ...

Click "Yes" again on the license agreement screen
(note: reading it is not mandotary). Looks like this:

And finally, If you get this dialog, click on the "OK" botton. This will be the final step in the installation,
and the Citrix Client should be all good to go.
* You should close all of the Internet Explorer windows now, then reopen PAX Division of Merrill Lynch Professional Clearing Corp (A subsidiary of Bank of America Corporation) Apps Server page again and proceed
with loging in.