If you have View R&D progress window open and then try to open the exchange window the option won't even pop up to do so, If you have the exchange window open and then click on view R&D it crashes both windows closed.
User Interface (UI)
How to reproduce (If known.)
Go to a place with an Exchange.
Open the Exchange window.
Open View R&D Progress.
Both Windows Crash.
Now Open R&D
Try and use the exchange, it will be unavailable.
Anywhere there is an exchange.
There are similar problems with the mailbox and regular research window at memory alpha.