You deploy Windows 7 and several custom Internet Explorer add-ons to 1,000 client computers. Internet Explorer closes when users run a specific Web application. You need to find out whether an add-on is the cause of the problem. What should you do?()
A.
Start Internet Explorer in No Add-ons mode.
B.
Reset all Internet Explorer security zones to the default levels.
C.
Use Group Policy to turn on Internet Explorer 7 Standards mode.
D.
Use Group Policy to disable the Programs tab in Internet Explorer for all client computers.