In order to get rid of the error, you will need to replace the file named Conquest.inb which can be found in this location: C:\ConQuest Q Series\Configuration. You can use one from a user for which the Options button works.
You can ask your IT team to help you with that.
'ConQuest has encountered a problem and needs to close' when opening Options
I'm getting ConQuest has encountered a problem and needs to close when I'm trying to open Options.
Written by Rares Iacob