FLStudio stopped working" appeared. So I had to manually crash FL by left clicking. Black screen appeared when FL got closed, since OBS had to register the full window of FL.
Hope this better helps (it works on any pattern ...
FLStudio (20.7.0.1714) has encountered an error and need to restart.
Crash log saved to C:UsersBennixDocumentsImage-LineDataFLStudioSupportLogsCrash folder.
Please use Ctrl+C to copy this message and report to support ...