I have just resolved this funny thing, and the solution is very weird.
Between the last two times I've played I have made some changes in the sound quality (was recording something and left it at higher settings).
Now, on starting the game I was getting this rougher weird sound during the intro and the game crashed just before giving me the menu (continue game, new game, etc).
Then I went to Speakers in taskbar, RMB (right mouse button) and chose Playback devices, chosen my speakers, RMB to Properties, chosen Advanced tab and in Default Format chosen 16bit, 48000 Hz sound.
And now it works again.
Apparently the game has trouble adjusting the sound settings. Hope this helps!