please helppp me

[nrtek]

i realy don't know where to ask so please tell me what to do. i have an skyway gm-7300 on my car. in the manual tells that it have windows c.e 5 and reads thea all the types of videous but isn't like that. when i put an video mp4 tells me that i don't have codesc, or not all of .avi reeds. what should i do? can i install some codesc or i need to install de os ? please give some adivise

[quartz]

try to go here.....

http://www.skyway.it/en/GM-7300.html