Same error on mac:
Error patching "Osx/BouT2.app/Contents/Resources/PlayerIcon.icns"
"xdelta3: target window checksum mismatch: XD3_INVALID_INPUT
xdelta3: normally this indicates that the source file is incorrect
xdelta3: please verify the source file with sha1sum or equivalent
"
ERROR OCCURED: 3000 - 1
[SM] ENTER ProductUpdater OnlineError


No solution in sight unfortunately.

Same here. Mac, won't install. Unable to continue.
I'm stuck where Ivo supposed to get the dress from
Grump. While he gives the dress to her the game
freezes.