CuteFTP Mac Quit Unexpectedly after upgrading to OS X 10.6

I had CuteFTP Mac installed on my Snow Leopard, I recently upgraded it to OS X 10.6 and started having issues with the application.
The below given error message pops up while attempting to start CuteFTP Mac

CuteFTP Mac quit unexpectedly.
Click Reopen to open the application. Click Report
to see more detailed information and send a report to
Apple.
It was working fine on my previous version of MAC. Does anyone have any idea about this error message?
