Windows Vista only offers you two types of UAC settings: on and off. In Windows 7 and Windows 8, you have more settings to choose from. Open User Account Control Settings, type UAC in the Start Search box, and then click Change User Account Control settings in the Control Panel window.

This article describes the new Aero troubleshooter tool introduced in Windows 7. If you cannot see the glass window effects, or if you cannot use Aero Peek or Aero Shake, use this tool to automatically diagnose and fix the problem.