The Do not allow window animations machine setting should be configured correctly. This policy setting controls the appearance of window animations such as those found when restoring, minimizing, and maximizing windows. If you enable this setting, window animations will be turned off. If you disable or do not configure this setting, window animations will be turned on. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Desktop Window Manager\Do not allow window animations (2) KEY: HKLM\SOFTWARE\Policies\Microsoft\Windows\DWM\DisallowAnimations