I remember having a similar problem when I re-installed Silent Hunter III.
1. The first thing I did to correct the loading was to cleanse my computer of all traces of SH3,
including the SH3 in the my "Documents" folder.
2. Create a new folder and name it
My Silent Hunter III
Reboot and reinstall SH3 to this new folder on "C:/" outside of all "programs areas"
3. Run SH3 One(1) time to create a new folder named SH3 in the "Documents"
4. Reboot.
You
should now be good to go
I hope this helps,
-clay