Missing file

Hello i got error when trying to go navigation error sound like : missing image file for assistance visit ndrive.com . i might be deleted something how can i restore

what files do you have in the mobilenavigator folder? the files in the folder should be:
mobilenavigator.exe
navigation.bn
navigation.chc
navigation.id
navigation.oe
navigation.vn
vautov5.dll

if you are missing any of these files let me know and I can send them to you.