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Many has this problem. Possible solutions:
1. remove any mods or already installed DLCs (like the Troll one) from your CookedPC directory
2. http://www.gog.com/en/forum/the_witcher_2/use_launcher_to_activate_game/post28
3. http://www.gog.com/en/forum/the_witcher_2/ill_never_buy_another_game_from_gog_com_again/post28
avatar
mateusz.adamus: Many has this problem. Possible solutions:
1. remove any mods or already installed DLCs (like the Troll one) from your CookedPC directory
2. http://www.gog.com/en/forum/the_witcher_2/use_launcher_to_activate_game/post28
3. http://www.gog.com/en/forum/the_witcher_2/ill_never_buy_another_game_from_gog_com_again/post28
Everyone keeps quoting #1, but all I have is a 1kb troll.dzip, which the patcher will just replace if I delete it. Maybe if someone said which specific files need to be removed, it would be more helpful.