I just wanted to post a response to this thread. During our deployment I had a couple of users having this issue.- "Unable to load Citrix listed applications, please contact your system administrator". After working on it for a couple of hours I found that the users' password was causing it. We have found, at this point, the system does not seem to like some special characters. What I mean by that is that the system doesn't seem to pass them on to the Citrix XML service. We have identified the ampersand (&) and less than (<) so far. Try changing the users' password to see if that helps.
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