What are two solutions for this issue?

During installation of View Composer on an existing vCenter server, the following error is displayed:

Error 28014. Unable to close the firewall

What are two solutions for this issue? (Choose two.)

A.
The View Composer installer should be restarted with the Run as Administrator option on the context menu.

B.
The firewall service is disabled, preventing View Composer from making necessary changes.
Enable the firewall before restarting the installation.

C.
The firewall is active processing other network traffic on the vCenter Server system. The install should be restarted after stopping the vCenter services.

D.
A third-party firewall tool is being used on the system running vCenter Server and View Composer. Firewall changes must be made manually before restarting the installation.