my os version is freebsd 9.0.I installed virtualbox 4.0.2.Installation no error.but, can not run.error infromation: "Failed to create the VirtualBox COM object. The application will now terminate. Callee RC: NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154) " How to solve this problem? Thank you. Eagerly look forward to your reply. lichaozhong 2012-10-3