1. If available, update to Windows 10 2004 per
https://obsproject.com/blog/five-simple-tips-for-new-streamers
2. The version of Windows you are running has a limitation which causes performance issues in hardware accelerated applications (such as games) if multiple monitors with different refresh rates are present. Your system's monitors have 2 different refresh rates, so you are affected by this limitation.
To fix this issue, as-is, we recommend updating to the Windows 10 May 2020 Update. Follow
these instructions if you're not sure how to update. Otherwise set all monitors to same refresh rate or disconnect other monitors.
3. Run OBS as Admin
4. Display and Game Capture Sources interfere with each other. Never put them in the same scene.
5 but should be 0. Record to FLV or MKV. If you record to MP4 or MOV and the recording is interrupted, the file will be corrupted and unrecoverable.
If you require MP4 files for some other purpose like editing, remux them afterwards by selecting File > Remux Recordings in the main OBS Studio window or enable auto remux in the Advanced settings.
