any help … ?
cant seem to find where its installed my content , tried HD/Library/Application Support/Steinberg … but doesn’t seem to be there … 
did you try in User/Library/Application Support/Steinberg ?
(‘User’ being your chosen name for computer)
Alternatively go to the folder you mentioned, open it and then open the Finder dialogue for doing a search for the file that’s missing.
If you’re on Mac I can send you the file if you like