I figured it out! I was just trying to connect to games that had already started (with the green circle).
Well, good job)))
After scouring both Russian and English forums, I can confidently say that fixing the game directly on Windows 8 is practically impossible – install a virtual OS, and all your problems will go away (personally, I used Oracle VirtualBox).
But I am glad, honestly, that you managed to do it.
By the way, 98% of players in GameRanger are complete newbies. I advise you to /topic/10980/ arrange matches with players here (last page). Or, you can play there, and after your skills improve from playing with GR, come here))