User Interface disappears for individual modules placed in Pro Channel

This week, I have experienced the loss of the User Interfaces of the modules FX I inserted into the Pro Channel.  The spaces that the interfaces occupy are there in the correct order and size with a goofy symbol but the controls and title are gone.  This is not true for the Pro Channel EQ.  If I fake Sonar out and add an additional module to the Pro Channel the interfaces return for all.  I have made no changes to the recording computer since the intial build and updates a month ago.  It does not occur with any detectable rhyme or reason (length of session, order of modules, or particular Module/FX used.  Also, is there a method to remove the EQ module say for busses Prochannels?

+1
 
Installing the quick fix sorted out some pro channel graphic issues for me, so it is worth doing if you haven't.
 
Even if the problems you are experiencing aren't mentioned on the quick fix page, it's worth doing it anyway.  Many users have found it made their X2 more stable.