Luciano,

This is a beta product... I would suggest reporting this to Microsoft.

As a side note, most folks like to stay away from those ActiveX Controls for
the reason you have listed and more. As an alternative, have a look at...

http://www.viescas.com/Info/links.htm#Downloads

http://www.datastrat.com/Download2.html

http://www.access.hookom.net/Samples.htm

My personal favorite...
http://allenbrowne.com/ser-51.html

http://www.lebans.com:80/monthcalendar.htm

--
Gina Whipp
2010 Microsoft MVP (Access)

"I feel I have been denied critical, need to know, information!" - Tremors
II

http://www.regina-whipp.com/index_files/TipList.htm
"Luciano" wrote in message
...
I developped an aplication in Access 2007 that runs very well. I tried to
run
my application in Access 2010 and there are some errors. Access 2010 don't
recognize an Active X Controll in my forms: i.e. the Calendar (in 2007:
Calendar Control 12.0). I neeed this controll very badly. Please help me.
Luciano