You get a call from a user who has just purchased a Windows

You get a call from a user who has just purchased a Windows 7 computer. She was installing a PDF reader when her desktop dimmed and a dialog box appeared asking her if she wanted to continue. What just happened?

A. Her antivirus program detected malware that was about to be installed.

B. This is the default action of User Account Control.

C. User Account Control detected malware that was about to be installed.

D. She does not have permissions to install this program and must log in as an administrator.

Solution

B.This is the default action of User Account Control

its taking the user permission for chages in the system. if she wish to continue respective program will be installed.

in this case pdf reader will install, antivirus tell the user that it may harm if you are installing mallware/unwanted softwares. we can istall by seeing the security certificates. if the malware/virus found antivirus will stop the installation by saying that it contains a mallware/virus