S.O.S.

[Von Brutton]

Gentlemen,
I've played SH3 for a couple of years now and have greatly enjoyed it. Now I've retired and have got a little more time I thought I'd download GWX2 and have a ball , so to speak. However, left a donation and downloaded the files and the exe. file but could not install the GWX files into the game.( By the way I'm a big numptie as far as 'puters go ) a pop up said something was corrupted, So I replaced all the files by downloading a freebie set. These I successfully loaded into the game. I was so pleased with myself. But Can only play the academy, if I try to load either career or single missions the game loads about 85% and freezes. Ctrl/alt/delete does not get me out. The game is clean, has a 1.4 patch installed in the disc. ( The DVD is only 4 weeks old, I had issues with the original game ) Can anybody point me in the right direction?

Thank you