Tiny MCE Editor won't appear.

[vassilis]

Hi.
I'm a Mac user and have problems with the tiny editor. It won't appear neither in the "entry text" nor in the "main text" fields on an Content Item. Some times though its there, working fine but not always (like today). Can anyone help me with this. The Editor is set to "ON" in the Global Configuration window
In the office I'm using a PC where sometimes I have similar problems, but after some restarts it is working.
I tryed Firefox, Safari, Chrome & Explorer but the problem is still there.

Thank you.

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