As suggested by cyclemat, change the Color Range to partial.
Turn Game Mode On
This Scene is potentially the cause of flickering, move either the Window or Game Capture to a new Scene.
- scene 'PC Game':
18:15:01.689: - source: 'Window Capture' (window_capture)
18:15:01.689: - source: 'Game Capture' (game_capture)
18:15:01.689: - source: 'Video Capture Device' (dshow_input)
18:15:01.689: - filter: 'Hanging Green Screen' (chroma_key_filter)
18:15:01.689: - filter: 'Color Key' (color_key_filter)
18:15:01.689: - filter: '4000K 520L Green Screen' (chroma_key_filter)
18:15:01.689: - filter: '4000k 250L Green Screen' (chroma_key_filter)
18:15:01.689: - filter: 'Portable Green Screen 3' (chroma_key_filter)
18:15:01.689: - filter: 'VR Green Sceen' (chroma_key_filter)
18:15:01.689: - filter: 'Sliding Green Screen' (chroma_key_filter)
Get rid of every Frankerfacez error in your log.
Your log shows Rendering Lag, Bandwidth/Connection Stalls & you have a shitload of memory leaks. Do ALL the above & then post a new log with recording/streaming sessions so any issues that remain can be addressed.