This message was generated by a SysCheck test that is run when the Service Configuration Wizard is launched. From your message, it appears that SysCheck was returning the message, "mapisvc.inf is incomplete". Is this correct? Were you able to work ...
I hope you mean you have a "half-baked" upgrade because CUInstall.exe completed, but you need to run other wizards to complete the upgrade. If this is the case, I would try to launch setup.exe again, now that you have completed CUInstall. Ideally, ...