Event id 4803 (Dismissal of a screen saver) is triggered immediately after Event id 4802 (Invoking a screen saver). Note that screen saver is actually still on till user interac
This is obvious... many video players do this... they block screensaver activation, so event log notes that 4802, saver active, then 4803 saver not active. This is the saver blocking logic working as expected, but that does not stop the events from being logged.