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Thank you very much. I was translating the ending incorrectly.
So, after 2 days of persistence, I figured out, thanks to 2 forums, how to solve the black screen and game launch problem. First, you need to do what Ment translated. Second, check the hosts folder (c:\windows\system32\drivers\etc\hosts) and clear it if there are any links ending in ".ubi". Third, and most importantly, as soon as you install the game, go to the game folder and launch the launcher application called "gu". Use it to download both patches. After installation and logging into the launcher, click "play". Again, a black screen, and I waited about 20 seconds for the first splash screen. I hope this method will finally help many people get into the game.