It is often very helpful if you can post an NMEA log together with the description of your problems. Particularly if the message is referring to a connection to GPS somehow.
To create an NMEA log you should create a "NMEALog" folder inside your "My Documents" folder on the Pocket PC. You should
1. Open Pocket Explorer on the Pocket PC (under Start > Programs > File Explorer
2. From the Upper most combo box, select "My Device"
3. Click on My Documents
4. Select Edit > New Folder from the menu at the bottom
5. Change folder name to "NMEALog"
After the flight, please send the NMEA.LOG file that is created in the new "NMEALog" folder.