installed ispconfig 3 with port 80 big mistake?

[bears are us]

Now I can not access the control panel because of port 80 conflict.
Is there a simple solution

System is ubuntu server 9.04
I am a novice following "the perfect server"

I've been searching for an answer for hours with no luck....

[till]

Download the ispconfig installer again, run the update.php script and select a different when asked during update.

[bears are us]

Yes. Thank you. It is working now.