Automatic Clipping Mask cs4

[andyw]

Hi everybody.. i'm writing because i need help!

I don't know why, but since today everytime that i create a new adjustment layer i have a layer like this:



With the arrow.

I understood that is a Clipping Mask, but i don't understeand how to enable the automatic clipping masks.

Anyone is able to help me?!

I'm working with a Mac and photoshop cs4


Thanks a lot


Andrea