The subject error is:

An ActiveX control on this page is not safe. Your current security settings prohibit running unsafe controls on this page. As a result, this page may not display as intended.

Either, your IE security setting are too high or the Run ActiveX controls and plug-ins option is set to Disable.

Change the Internet Explorer Tools / Internet Options / Security Internet icon to Custom Level. Change the Run ActiveX controls and plug-ins option to Enable or Prompt. Press OK.