An administrator attempts an IBM Web Sphere Application Server package installation, but it fails.
What must the administrator do before making another attempt?
A . Uninstall IBM installation Manager and reinstall it.
B . Use Installation Manager to uninstall everything under the package, and ignore any errors.
C . Delete everything in the product directory before uninstalling the package using Installation Manager
D . Restore a backup copy of the previous version of the product before using Installation Manager again.
Answer: C