If the Screen Saver Timeout setting is enabled, then the screen saver will be launched when the specified amount of time has passed since the last user action. Valid values range from 1 to 89,400 seconds (24 hours). The setting has no effect if the wait time is set to zero or no screen saver has been specified. If the Screen Saver Timeout setting is enabled, then the screen saver will be launched when the specified amount of time has passed since the last user action. Fix: (1) GPO: User Configuration\Administrative Templates\Control Panel\Personalization!Screen Saver Timeout (2) REG: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Control Panel\Desktop!ScreenSaveTimeOut