I just downloaded the latest version and installed on my ipaq running windows mobile 6.1.  After creating a map, and trying to run the program it crashes at launch with the error message: 

a native exception has occured in BackCountryNavigator.exe
Select quit ....

Details:

Exception Code:  0x0000005
Exception Address:  0x781ada20
Reading:  0x781ada20

it is only the trial version.  can't test to see if i want to purchase.  Please help