Medianav 1 cannot format or delete storage card files

[texecom]

Hi All, I now have the problem that during an upgrade to 4.0.6 (from 4.0.5) medianav continues to load software, I got into windows ce and tried to delete contents of cards 1 and 3 , but it will not allow me to delete some files, so fails, also I can...login to view the rest of this post