I just tried to rotate video in VLC (tools-effect-video effect-geometry), with
rotation checked, when vorpex attached, vlc become so unstable and crash 9 out of 10 times it is opened, the one time it works, video in neither headset or desktop is rotated), afterwards, even when vorpex no longer attached, it unable to do rotation and i have to delete all the preference before it works again (without vorpx attached)
running latest windows 10 64 bit, with mpc and vlc both 64 bits latest version (tried vlc 32 bits as well and same crash)
hardware is valve index, 2080super, i7