I have tried multiple time but whenever I try to install the Ultima 3 upgrade patch it says:
the patch cannot be applied! missing or unexpected versions of binaries found. I used pixs Ultima patcher as well but brought the same error.How do I fix this???

if you are referring to being unable to download I was informed he fixed that. if you are referring to the way it is instlaled after you download it, you must browse and point the installer to the right game in the game directory, as in C:\Ultima 3(or whichever directory you chose to put it in. The default is Program Files(x86)\GOG Galaxy\Games\Ultima 3