also, nochmal meinen Link getestet. Bei mir geht es.
Aber mir fällt gerade ein, da war irgendwas was man ab 0.5.0 als Benutzer von Win98 braucht. Irgendeine Systemdatei.

http://www.tt-forums.netviewtopic.php/?=29131 schrieb:We would like to draw your attention to the following:



The OSX binary might not even start for people. If the debug window says something about 'libfontconfig' - Download the game from sourceforge again if you got this problem since we solved the issue

Win9x will ONLY work with MSLU, the MS Unicode layer. You need to download this file from Microsoft and either put it into your OpenTTD directory or into windows\system. Don't worry, you'll know when you did something wrong

.

ach so, die Übersetzung:
mann braucht dieses File am Besten in windows\system kopieren .