You are talking about python? And as far as i recall it is preinstalled, if not you can install it using

Python is cross-platform so you should be able to install python in Windows and run it without any problems.

I guess the images are placed in the original folder? If so, you should probably move to images too, or change the path to the images in your program

For me it help to delete the .xbmc directory in the home/pi folder