Maybe it is time someone translate into english some of the guides available in spanish about installation issues at
CdSTeam.
I don't want to do spam.... maybe Grumpy would like to translate ( i will help him with translation) the different methods depending on the different installer. There is a game copy-protection list with installer files too in such web site.
If someone (admin/colaborator/whatever...) PM me could make this web site more confortable for everybody.
good luck!