And... *sigh* the apparent memory leak problem is causing havoc with the Sound System Preferences. Either the Boom Audio sound output disappears OR it says it's 'Unknown'. Once it happens, it's persistent through system reboots. The workaround is stupid but it works: (1) QUIT Boom 3D app. (2) Boot Boom 3D app again. (3) Watch it ask to install its helper, again. Approve it. (4) You then get nonsense that you have to reboot your system. DON'T. But you'll find that Boom 3D isn't actually working at that point. SO! (5) QUIT Boom 3D a second time. (6) Boot Boom 3D a second time. ∑ = Tada. That buggy thing is working fine again. - - I've been attempting to get their [expletive] tech support to pay attention, but all I get are responses worthy of a BOT, named 'Amurtha'. VERY disappointing. But when I get time, I keep bugging the bot with new bug report information, whether it wants it or not. - - Then... nothing changes. I seriously doubt they have anyone doing testing over there at this point. AND the fact that they've chopped the price of the app indicates IMHO and experience that their head developer walked out and the apps gonna die. Or so I imagine. IOW: AWFUL tech support. What a shame. I love the app! . . . When it's not screwed up.