Solved mp4 thumbnails missing in windows explorer

[vf1valkyrie]

my mp4 thumbnails are missing after I merged the restore .mp4 to default associations registry values from https://www.sevenforums.com/tutorials/19449-default-file-type-associations-restore.html I have deleted the old thumbnails caches. the mp4 registry values are corrupted ? please advise. thanks.

windows 7 ultimate 32 bit.

 

[vf1valkyrie]

uninstall / install shark codecs, and it's ok now.