profiling

Hello,
I cannot seem to be able to profile my app... I'm using VC++ 6.0 Enterprise.
I have set Project | Settings | Link | Enable Profiling, but that Build | Profile option in the menu is still disabled... How do I proceed? Thanks in advance,
Utumno
[278 byte] By [Utumn0] at [2007-11-17 11:49:33]