We use Citrix for a number of programs and systems.
On a number of our user machines they have been getting the below issue:

According to one user it seems to happen when moving from one application to another. But not all the time. Refreshing Citrix it removes the duplicates, but they usually reappear later on. We have seen this on freshly built machines a
I've reinstalled the Citrix client, re-created profiles and re-built the machine. Still the same.
I've done a lot of google'ing but have and no luck finding anything like this.
I am not sure which version of the Presentation Server we use, but the client is version 9.00.32649.
Any suggestions will be appreciated.