Join Date: Sep 2005
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I'd guess it's not reading all the required information on the disk, if it were me I'd have ago at copying the original disk on to another CD or DVD whichever.
Although not on a Sat Nav I've done this before with some success, for the price of a blank its got to be worth a try.
Currently in hondo's garage:
1.6 Valve-Matic SR. Red hot, toasty feet.