Often when I launch Filemaker Pro Advanced, there is a problem with mouse click behaviour. Rather than requiring one click to activate a button or make a fields active, it requires two. This also makes activating drop-down lists, calendars, etc. impossible, as one click on them does nothing, but two makes them open and then close immediately. To solve the problem I only need to quit Filemaker and restart it, but obviously I'd much prefer to just have it work all the time.
Steps to reproduce the problem
It appears seemingly randomly on launch, and remains until Filemaker quits.
Normal single click behaviour on fields, button, lists, etc.
A single click has no effect; a double click makes fields active and activates buttons, but opens and then immediately closes lists.
Exact text of any error message(s) that appear
This problem regularly occurs on both my laptop and desktop, so it is not hardware specific.