Game window goes dark when HDR is enabled (Windowed mode)
InvestigatingWhat you'll see The game window darkens after Playto starts or stops capture. The darkening persists even after you close Playto — it only resets when the game is restarted.
Why A Windows screen-capture API interaction with HDR Windowed mode. The issue does not appear in Borderless Fullscreen.
Workaround Switch the game display setting to Borderless Fullscreen. This resolves the issue completely.