It's working fine here...
Could you run Regedit (Start Menu -> Run -> regedit) and see what is in this key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Multimedia\MIDIMap
... in particular, what's under 'szPname' and 'DeviceInterface'...?
Could you run Regedit (Start Menu -> Run -> regedit) and see what is in this key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Multimedia\MIDIMap
... in particular, what's under 'szPname' and 'DeviceInterface'...?