I've created your own topic for your question as the place where you originally posted it was inappropriate
No, it has nothing to do with the maps...it is down to the internal SirfStar chipset of your device. Treysis has made a workaround available as well as a permanent fix from Charlie62 so you need to do some reading and make up your own mind which one suits you better:
Here is a link to the workaround:
topic21253.htmland here is a link to the permanent fix:
topic21440.html