In the Occulus App Library on Windows clicked the three dots on the DeoVR tile. Clicked on Uninstall. Checked Windows Explorer and Folder \Oculus\Software\infomediji-d-o-o-deovr-video-player\ was gone.
To reinstall from the App Library clicked on the DeoVR tile. After installation completed above folder existed.
Launched Link from the headset (attached by cable). Launched DeoVR. See screenshots:
Repeat same from within the headset. Same result. One of the 11.x releases did the same to me and I had to wait for a later release for it to update.