Ok i found the problem and all is everything ok now. The only thing i do is on my original sd with igo primo all the content is on folder name Mobilenavigator. i create a folder on new sd card and rename Mobilenavigator. I take the folder primo 2 from chas521...i copy the content of this folder in my Mobilenavigator folder on my new sd card....and in my original sd card the name of igo primo is MobileNavigator....i rename igo primo 2 .exe with MobileNavigator and everything work fine nowApplause

i only have a little technical problem but all is ok navigation work fine....when i quit the gps software with exit button when i restart my truck the radio lauch and after thaht igo primo 2.4 open??? probaly change tex file on sys.txt folder??

but i can navigate now and i'm really happy

thanks to all for you help and patience