FlStudio, I can see that it briefly appears in the list of programs, with 'Suspended' next to it, before disappearing again.I have tried the steps listed on your page called "FLStudio Won't Open / FLStudio Won't Start ...
FLSTUDIO 12 demo, (which I tried three times on different servers and on different browsers). it starts to install and then whenever it is ready I go ahead and click run. But then, after it is "done" installing ...