How have we done the test? Simple. Just started the Mac the normal way. Then quitted all programs running on that machine by default (start-up programs). Things like QuickKeys, Suitcase, Outlook, RenderCow etc. Then started Infinie and it worked. AHA! Now we added the most needed program (in our case Suitcase) and started Infinite. Worked. AHA! Now we added the next program and tested again. Like this we found our problem child and simply avoid that when we have to run Infinite on this machine.

One day your ship comes in - but you're at the airport.