Question : Adobe Reader - can't find all printers

A customer use Adobe Reader and networked printers. For some reason the default printer suddenly don't show up in Adobe Reader. It's working everywhere else, just not in this particular application. Any way to get Reader to "refresh" it's list of printers?

Reinstalled, not helping.

Answer : Adobe Reader - can't find all printers

It turned out to be related to Citrix. A key missing in registry holding the default printer was to blame. No idea how it dissappeared for two users though..