sab0tasz: Hi, I've just bought 2 BG's and Neverwinter, and I am receiving E2 and E15 error during installing and uninstalling each game. I did what was suggested in the article on gog support, also I sent a ticket, but I thought that maybe someone could help me before I receive an answer. PC is quite old however it's been formatted recently so it should not have any viruses/problems etc.
Hello. You could give the games' offline installers a shot. You can find them in the game's extras (see image below for an example). You'll have to install them manually without Galaxy, though.
Having said that, if I understand correctly from the first image, you are using 32-bit Windows. This is a problem, as all 3 games require 64-bit Windows. If you can't run any of the three games for this reason, your options for Baldur's Gate 1+2 is to use the 32-bit versions (available as extras). Neverwinter Nights Enhanced doesn't have a 32-bit version, so you'll have to resort to playing the older Diamond version, instead (available as a separate entry in your account).