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I recently bought 2 copies of NWN to play together with my GF. Problem now is that whenever she hosts a LAN game and I try to join her, I get a "CD-Key is already in use" error. Could this be because we installed the game on both PCs with the same downloaded files from my account? I didn't see the point in downloading the large file again, but I guess that's where I went wrong.
Reinstalling with the 2mb installer file from GOG, downloaded from her account, didn't change anything. Is there some way I can find the CD-Key appointed to the copy on her account and feed it into the game? (somewhere in the registry perhaps?)