I am aware of your tip. Inclusive I have tried to change the compatibility mode for running the applications for XP SP3 and Vista. Still no luck. This application runs fine if its installed.
I believe the engine for portability might have been developed not to run on x64. To be sincere I havent try on x86.
I believe so far the solution would be to use another application that does the same. Or install the version which is what I had.