I get all the time installation error because of "write access to disc error" which is total bullshit, I can download and install other games at the same location without any problems and I have still ~500gb free space on that disc. The annoying thing about it is t hat when checking files it downloads all the 3,6gb again. And the download folder has no write restriction for the user which runs gog. windows 7 pro 64bitl.

Are you downloading it through GOG Galaxy? Because of you do I would suggest trying a manual download an install. Once it is installed Galaxy will automatically detect it. So it doesn't make a difference to the use of it.

Via galaxy, I will try it, thanks for the proposal.

GOG, repair the game! Your east european localization broke it (5th time I repair: always broken)