hi, i am a newbie, i speak spanish, but i trying explain , i read the forum and this thread, i follow all stuff here of Sanjay for install the powerdvd, but i have a problem, this installing ok, but in the moment enter the serial automatically dont hapend nothing, i open powerdvd and this request re-enter the serial, what i do make wrong? the powerdvd installing is "powerdvd V7.2 Ultra"