Hi all,

Well, I have been researching in this (and other forums) and I still can't fix this. Actually in my Windows 10 there is a PNG icon overlaying the thumbnail of video files.
This happened after I just tried to change the default icon of VLC player, but now, all the Thumbnails are messed up.

What I have done so far:

1. cleared the thumbnail cache.
2. deleting the icon cache file.
3. uninstalling and then installing VLC again (deleting all user files and configurations)
4. Checking the default icon with File Type Manager. (all video files are using the VLC icon).
5. Searching for the Regedit value... and of course it's the same as File Type Manager.
6. Checked the thumbnails files to be sure that this trouble is caused by an icon overlap and not a bad rendering (in the thumbnails files every single video have it's thumbnail perfect, but in Windows Explorer they have that black icon over them).

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So. Honestly, don't know what to do... any ideas?