This policy setting controls the appearance of window animations such as those found when restoring, minimizing, and maximizing windows. If you enable this policy setting, window animations are turned off. If you disable or do not configure this policy setting, window animations are turned on. Changing this policy setting requires a logoff for it to be applied. Fix: (1) GPO: User Configuration\Administrative Templates\Windows Components\Desktop Window Manager!Do not allow window animations (2) REG: HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\DWM!DisallowAnimations