no I leave the clutch in to start, car in neutral.
the squeal goes away when I press the clutch in. and also goes away when the car warms up.
That's weird.
If your foot is OFF the pedal, the throwout bearing should not be in contact with the pressure plate.
Obviously it's related to the clutch in some way, but it's backasswards to what you would think it should do if it's bad.