The VideoLAN Forums

This started happening about 1 month ago. I don't know if it is a VLC thing or a Windows thing. These files were created with NVidia Shadowplay, I guess it could be that also...

The picture says it all, any ideas?

The display of thumbnails and icons in Windows Explorer is Windows Explorer job.
Maybe, and it's a maybe, clear the caches in Windows Disc Cleanup.

Also see thread: "Thumbnail images for .vid files?"
https://forum.videolan.org/viewtopic.php?t=155158