Hello, i just installed Heroes 3 complete and every time i try to play it keeps telling me i need the CD to run and i can only play multiplayer games. I found another topic with this issue, but he has vista and I have xp pro. I had the Heroes 3 Armageddon's blade installed already before i installed the GOG version. I have uninstalled it and the other topic says there's some things in the registry i need to clean out, but which ones? Should i just re-install the game now that i uninstalled AB from my computer?
*** NEW PROBLEM ***
I had an old Saved game from the original heroes 3 that i decided to try and use, but after i beat this battle i get this error and the game crashes:
http://i35.photobucket.com/albums/d161/kain111th/H3Problem.jpg?t=1270058943
Happens every time i beat that battle. What can i do?

Ok nvm. I basically uninstalled GOG version and then deleted all the registry files. I then re-installed and now the game works perfectly so I just solved it myself. lol, sorry for the waste of topic.

Before messing up with your regedit I would suggest you to re-install the gog version.