Been a couple of months since I used M4L, and now, all of a sudden, I can't open any M4L devices anymore! I tried updating both Live 9 Suite and Max to the latest versions, but to no avail. I'm running Max in 32-bit mode, so that shouldn't be the issue, either. I'm not getting any error messages, the only thing that happens is that the device grays out, and the little yellow icon spins and spins, and the text at the bottom keeps saying "Starting Max Editor"... The devices work fine, the only thing is I can't open them in Max. It's all very mysterious.
Max 6.1.3, Live 9.0.5, MacBook Pro i7 2.66 GhZ, OSX 10.8.4