@Reckless
That version that I have is the original DOS-version (two discs, one standard and one high performance, I'm trying the standard one) (with a Windows starter [which runs the DOS-version) . I heared something about a Directors Cut of Jack Orlando, which might be a true Windows version, but I'm not sure if it is. Could you please check your version.
@mirekluza
tried LOADFIX, but unfortunately it didn't work. It's the installation program I want to run and which causes this error. So I have not been able to configure the soundsystem yet.
Any further ideas?
Stefan