Help RED CROSS

Whenever I turn on my GPS appears a red cross flashing. Already installed navcore factory by tomtom home and always returns the same thing happens.
If I use on tomtom home option "use my gps" it works perfectly.


GetMy-CFG v2.53
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DeviceID=AKxxxxxxxxxx
DeviceVersionHW=START
DeviceSerialNumber=XCxxxxxxxx

ApplicationVersionVersionNumber=9057
TTSystem 4212261 bytes, modified 11-08-2010 16:35
PNDNavigator 7952548 bytes, modified 11-08-2010 16:35
BootLoaderVersion=10012
CurrentMap=Iberia
CurrentMapVersion=860.3101
NederlandPostalVersion=845
GreatBritainPostalVersion=845


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