Not exactly sure why it was doing this. Why would it be taking this much memory?
I would suggest submitting a support ticket with these details on your install to help with troubleshooting. I expect they'll want to get logs as well:
Funny thing is was in a stuck citrix session - bounced the session and it went away.
That's good news. Let us know if you see this again because we'd definitely want to address if its really a Cirrus issue.
Chris I'm looking at the task manager again and this .exe is running under a users account. How does this service/process start and where can I change this to a service based account rather than a users account?