C:\Users\Keith\Music\David Hudson\Guardians of the Reef
C:\Users\Keith\Music\David Hudson\Guardians of the Reef\03 Track 3.mp3
That's an unusual path. The default would be \My Music\
Not that it probably matters, but have you created your own \Music\ folder?
Also, what version of Windows 7 - and 32 or 64 bit - and was this an upgrade installation, or a clean install?
Grasping at straws, of course.