I always had a problem when using mediaengine as I wrote some time ago after closing the PC navigator program the mediaengine frozed and I couldn't do a thing with it...so I moved to Roadrunner which was quite ok but too compicated after a while and with too many unecessary thing included..I used it some times but I noticed that the new version of Polish program Automapa 4.0 was released. I tried it with mediaengine and it works....Perfect...no freezening, the program works great as a window with music player support on the left side of the screen.
I had no problem with freezing and anything and it finally works great.
Automapa has a 3D view and they produce map for the whole Europe. The program works in polish, english and german so I can recommend it to anyone in Europe. The address of the distributors are here http://www.automapa.com.pl/?PEI=11235&lng=EN

best regards and in case of question don't hesitate to ask