Outlook 2007 give me 2 reminders when I create one appointment

[cocolino]

Hello to all,

I have next problem with my Outlook 2007.
When I made one calendar apointment on the reminder window appear 2
reminders identically.
I try outlook swiches like /cleanview /resetfolders /cleanreminders, but not
work at all.

I can't paste print-screen here but if somebody can help me tofix this will
be verry helpfull.

Thank you in advance