silent hunter3...cannot upgrade to v1.3

[reznoir]

hi
I bought SH3 on ebay form thailand. It was half the price including p&p. No cover no booklet but it was not a copy and as promised it has unique serial code and hologram with the dvd. But unfortunately I cannot upgrade the game!!! I tried 4 patches (2 dvd and 2 download patches for EMEA and US). The EMEA versions directly rejects as wrong version but the US versions checks the system for a while and ends up with error message
\silenthunterIII\data\menu\de_menu.txt : unknown version.

what's wrong with it? Whay can I do?Is it possible that It is a copy
Thanks