Got a reply from GOG. It didn't work, I've attached this forum in the answer of the ticket.
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Hello,
I'm sorry for late reply. We're currently overwhelmed with work.
I would like us to try to troubleshoot this issue. However, if you do not want to follow troubleshooting steps, I can convert this purchase to GOG wallet funds, that you will be able to use towards buying other games.
If you want to continue with troubleshooting, then please firstly follow these steps:
1) Please add Galaxy folders:
C:\Program Files (x86)\GOG GALAXY
to your security software exceptions list. If the game is installed outside of Galaxy folder, then please add game's installation folder to security software exceptions list as well. Once above is done, please select the game in GOG GALAXY, click on Customize -> Manage Installation -> Verify/Repair.
https://imgur.com/mPXqg0n 2) Reinstall the June 2010 DirectX runtime package. You can find the archive file containing the 2010 package installation files here:
http://www.microsoft.com/en-us/download/details.aspx?id=8109 You will have to extract the files into some folder, then open that folder and launch the DXSETUP.exe file in order to proceed with the installation.
Please have in mind that this will only add DirectX 9.0c to available pool of DirectX libraries, and it will not overwrite your other versions. Some games are not able to utilize newer DirectX libraries, and they require DirectX 9.0c.
3) If possible please update your graphics device drivers:
http://www.nvidia.com/Download/index.aspx 4) The game requires multiple Visual C++ redistributable packages installed. Please make sure to install both versions (x86 and x64) of each package:
- Please reinstall both Visual C++ 2015-2019 Redistributable Packages:
x64:
https://aka.ms/vs/16/release/vc_redist.x64.exe x86:
https://aka.ms/vs/16/release/vc_redist.x86.exe - Please reinstall both Visual C++ 2012 Update 4 Redistributable Packages:
x86:
http://files.gog.com/support/MSVC2012/vcredist_x86.exe x64:
http://files.gog.com/support/MSVC2012_x64/vcredist_x64.exe - Please reinstall both Visual C++ 2008 Redistributable Packages:
x86:
http://files.gog.com/support/MSVC2008/vcredist_x86.exe x64:
http://files.gog.com/support/MSVC2008_x64/vcredist_x64.exe - Please reinstall both Visual C++ 2005 Redistributable Packages:
x86:
http://files.gog.com/support/MSVC2005/vcredist_x86.exe x64:
http://files.gog.com/support/MSVC2005_x64/vcredist_x64.exe 5) Please navigate to the game installation folder:
- If the game was installed via Galaxy, please select the game in Galaxy, click on Customize -> Manage Installation -> Show Folder
https://i.imgur.com/S2YvO4V.png Once in there find game's "Launch" shortcut, right-click on it, and select Properties. In properties window switch to Compatibility tab, and here enable "Disable full screen optimization", as well as "Run as administrator". Press Ok to apply settings. Right-click on the game's "Launch" shortcut and select "Run as administrator".
Regards,
Dr Cat
GOG.com[/i]