I am the proud owner of Reason 3.0, a music production program. I used it to compose psychotic rockin industrial music and had a jolly good time exorcising my personal demons into audio format; until recently, when I encountered trouble with it after I tried installing MIDI drivers (so I could route instruments and mics into Reason.) Apparently, the new software has compatibility issues with my sound card, and now I can't get Reason to make any sound at all. Out of desperation, I tried uninstalling the MIDI drivers and setting the computer's audio settings back to normal, but the problem strangely persists. It's gotten so screwed up that I've given up trying to fix the problem and decided to instead install Reason on a different computer with the right kind of sound card in it and work from there. However, the good folks at Propellerhead saw fit to make their software invalidate its serial number after one installation, so even though I enter the serial number correctly, it won't accept it. To top it all off, their tech support team is a bunch of lazy, inaccessible shmucks who have yet to get back to me on this issue. So please, if anyone can tell me a way to crack the serial number registration prompt, I would be eternally grateful. Thank you for your time.