I have just got a new PC running Windows 11. Transferred all my old photos/videos to it. All ok except when I try and play a stored video file I have saved (i.e. saved WhatsApp video). When I click to play it says "class not registered" . If I open it with the latest version of VLC player I can hear the sound from the video, but not get any picture playback.
It has been a few years since I had a new PC, but I vaguely remember issues like this years ago and I think I had to install codecs or something ?
Any computer experts know what I can do/where to go ?
Thanks.
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I recall having the same issue with VLC recently, and downloading / installing this worked for me
Codec Guide: K-Lite Codec Pack - For Windows 11 / 10 / 8.1 / 7