242BGB: I patched the game. It should be 1.0.74 now. But I did get a patch_log.txt stating several files having the incorrect version:

Incorrect version of: C:\GOG Games\Divinity - Original Sin\Shipping\osiris.dll
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Shipping\EoCApp.exe
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\DOS Cutscene 3.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\Splash_Logo_Larian.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\DOS Cutscene 1.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\DOS Cutscene 4.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\EndMovieWin.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\Telescope_BlackHoleView_A.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\DOS Cutscene 5.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\Intro_Scene.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\EndMovieLose.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Video\DOS Cutscene 2.bik
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Localization\English\Soundbanks\DialogPermanent.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Engine.pak
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Main.pak
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Main_2.pak
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Weapons.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Items.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Ambiances.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Init.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Music.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Game_Basic.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Permanent.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Characters.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Public\Main\Assets\Sound\Skills.bnk
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Game.pak
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Main_1.pak
Incorrect version of: C:\GOG Games\Divinity - Original Sin\Data\Textures.pak