What should you do?

You work as the network administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. Domain.com has its headquarters located in London and branch office located in Paris. All servers on the Domain.com network run Windows Server 2008 and all client computers run Windows Vista,
Domain.com has recently deployed the KingSales application to client computer on the Paris office by assigning the application to workstations in the Paris office organizational unit. During the course of the day whilst performing routine maintenance you discover that the KingSales application failed to install on some client computers in the Paris office. You later verified that that the KingSales application installed on some client computers. Domain.com wants you to ensure that the KingSales application is installed on all client computers in the Paris office.
What should you do?

A.
You should consider having a forced removal of the KingSales application performed.

B.
You should consider having the MSI file deleted and re-create the KingSales deployment object in Group Policy.

C.
You should consider having the MSI file modified and redeploy the KingSales application.

D.
You should consider having each client computer manually troubleshoot to identify the error.

Explanation:
As soon as a deployment fails and the installation is left in an inconsistent state you need to fix the redeployed software.
Incorrect Answers:
A: The forced removal of the software that was partially installed will not be effective.
B: When you delete the deployment package in the Active Directory it will leave you with no ability to manage the failed installation.