Here is the response that I have received from the folks at Purple:
"This is actually unrelated to Luminous, this customer bought a music lesson video from Homespun, another client.
He had a faulty QuickTime installation, the first one we've run into in over 130,000 cases. If QuickTime is installed, the Homespun player plays a startup sound, if it's not, it doesn't, but this computer erroneously reported QuickTime was properly installed.
Tech support was very nice to him, but I can't say he appreciated it, he has been complaining all over the place.
...we take problems like this very seriously, just because our 99.4% beats Apple's 85% or Amazon's 65% doesn't mean we're satisfied. We are working our asses off to close the gap between 99.4% and 100%.
Also, this customer told us everything is working perfectly, so he is one of our success stories... Go figure."
'Stitchawl', please contact me.