Where can I find executable file (SH4.exe)

Can somebody please help me with this?
I am really struggling with Ubisoft and their lack of help.
I have brought Silent Hunter Wolves of the Pacific along with UBOAT missions from Ubisoft & they will not work.
Now I have been told to find executable file (SH4.exe) which I cannot find.

I have uninstalled & re installed both Silent Hunter Wolves of the Pacific along & UBOAT missions,verified both & looked in every folder & looked at every file and still cannot find executable file (SH4.exe).
I am fast loosing the will to live & fast regretting buying the games.

Somebody,........anybody.......please help