by Bruno Pagès » Tue 9 Oct 2012 11:50
You are right, and there is also a crash when using the right-arrow over "Help" to the right, so in fact when trying to reach the pseudo tool-bar with the buttons open/save/... using left/right-arrow
This bug was introduced in the 5.0, the next release will fix that.
Thanks for the report

Author of Bouml