Chart Color Question (2003 and 2007)

[tem]

Hi~ All
I have big problem, help me if you can.

My PC install 2 office software, office 2003 and office 2007.

I use powerpoint2003. I edit Horizontal Bar Chart Color as usually, but not
work,
the color auto change another when I edit finish. Then I test line chart,
pie chart, the same...

I buy and install office 2007 yesterday, If remove office2007 can back to
normal?

Or you can tell me what can i do? I need your answer pls......T_T