it's really a good software.I can use it totally fine before update.Since I update there is something wrong.I am still able to open mp4 files, I can hear the audio but can't see any video frame on the window.
IIRC from that version default video renderer is "Built-in Direct3D 11" and not EVR. I've seen some white screens myself while stopping or fast forwarding. Even so I thought that it is problem with Intel iGPU driver.