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. Changing this setting will require a logoff for it to be applied. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Desktop Window Manager!Do not allow window animations (2) REG: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DWM!DisallowAnimations