Is it possible to make a trial app work forever or at least delete the reg in which it says i had installed that app and cant use it now?

I'm breaking my neck right now trying to figure out how to make psilocks irremote work on my old nokia 5700 even though i got rid of the annoying certificate thingy. Is there any kind of crack or serial to fix this?

So far i tried every crack sis i found and no luck, always the licence key problem.