I won't be a big help.
I mainly use iView as 'Catch Up' for something I missed; as intended.
SBS is slightly different.. I'm often too slow to realize what I'm missing.
If you haven't already done so...
Try the latest 32 bit build of ffmpeg.exe and see if that helps.
https://ffmpeg.zeranoe.com/builds/wi...n32-static.zip