To uninstall Crystal Ball manually:
Log in to the computer that is running the Crystal Ball client software.
Select Start, then Settings, then Control Panel, then Add or Remove Programs or Programs and Features.
Select any Oracle Crystal Ball product from the list of programs.
In the confirmation dialog, click Yes to proceed with the uninstallation of the Crystal Ball product.
If you are prompted to remove shared files during the uninstallation process, select No To All. Uninstallation continues.