Sebastien Tardif wrote:

Because right now if I do "manage data file" I see just one *.pst
file. But in my list I see two and one of them give me error message.
So I try to remove outlook and reinstall but it tries to be cleaver
and remember all the configurations and the bugs! So that doesn't
solve the problem.

Create a new mail profile and point it at the one PST you wish to use.
http://www.howto-outlook.com/Faq/newprofile.htm
--
Brian Tillman