Some players have problems for HD freespace or Windows, or others.
You can try this, I added a direct installer brytenwalda 1.40 in novaregula.
http://www.novaregula.com/brytenwalda
In downloads area, you search this:
Brytenwalda Module system: NOVAREGULA
Brytenwalda Dedicated Server Files: NOVAREGULA
Brytenwalda Installer File 1.40 Only: NOVAREGULA <----------------