jnisbet: The reason why changing the name of olwin.exe to something else fixes the music is that the GOG installer adds compatibility settings to the registry which apply to olwin.exe, but not to executables with different names.

The offending registry settings are in the following locations:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\olwin.exe

Delete that key (folder).

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers

In that key (folder), find the value that points to olwin.exe, double-click it and remove "DISABLETHEMES" from the list.

Of course, it's an easier solution to simply rename olwin.exe, but this is what you can do if you're comfortable with editing the registry.

Edit: Here's a registry file that I've made to do the edits for you. Paste the lines into a text file, name it something.reg and double-click it.

https://pastebin.com/sFKfrsNE

devil_505: Checked again with Windows 10 - no problems, music is playing. So that must be something new to Windows 11. No one else here using that?

tonymke: Experiencing the same thing with Windows 11. I will update if I figure it out.

Update: Figured this out. I got it working through the following:

- Put IndirectSound - a directsound DLL wrapper - in the game's installation directory. Retrieved from https://www.indirectsound.com/
- in the game's config program, run with "DirectSound" and the highest audio bitrate and channels settings available.

The binary's name and any Windows compatibility options did not seem to affect anything.