I've corrected the link to the patch now, so it should be downloadable - sorry for any hassle.

Will look into the original post further tomorrow morning.

EDIT: tested this last night on my own setup and discussed it with our QA team this morning - You may get some firewall interaction when trying to start a multiplayer game (due to portions of it being online), you should not be getting any for starting a singleplayer game. On my tests last night, I encountered no issues and was able to install and run the game perfectly without any internet connection or firewall pop-ups. We also test for this in our QA, as obviously this isn't something that should happen. Did you perhaps select multiplayer first and then proceed to the singleplayer?

Are you running gog-2? Can you provide any other additional info that might help to resolve this? :)

OK - in relation to both of your issues, can I ask you both to reach out to our support team directly for assistance with these issues - They're better equipped than I to help out and in the brief tests I've conducted and spoken about with our QA team, we were unable to reproduce either issues, so I suspect there's something local going on here which will require further investigation.