1. In OBS, go to "Settings -> Advanced" and set "YUV Color Range" back to "Partial".
2. Display and Game Capture Sources interfere with each other. Never put them in the same scene (1080p).
3. If you're using NVENC your settings should be: Preset: Quality, Look-ahead and Psycho Visual Tuning unchecked.
4. Your log contains no streaming session. Results of this log analysis are limited. Please post a link to a clean log file.
To make a clean log file, please follow these steps:
1) Restart OBS.
2) Start your stream for at least 30 seconds. Make sure you replicate any issues as best you can, which means having any games/apps open and captured, etc.
3) Stop your stream.
4) Select Help > Log Files > Upload Current Log File. Send that link here.