Hi Robert,
Now I follow you! I have added this to the Mantis Bug Tracking system... It will be resolved in the next build. The current Public release for HALultra is 6.1.27, internally we are at 6.1.28. So build 6.1.29 will address this...
In the meantime I have found a work around... after you get the popup window use your mouse to approach from the bottom of the menu instead of the top

this will allow you to get to that option. It looks like once a sub menu is opened you cannot go anywhere else in the menu.
Thanks!
Tim