MKV Files Preview

My MBP got stolen recently and after I restored my Time Machine backup onto a new machine, Finder no longer displays previews of MKV files. For instance, when in the list view, I see only the VLC app logo as an icon for any MKV file. I tried to set Quick Time as a default player but it says it cannot play MKV files even though I have a Matroska component installed. However, I am sure that before the restore my default MKV file app was VLC and Finder still showed the little preview icons. Any advice on how to get this back?

Well QuickLook Previews for MKV are certainly handled by Perian. I just tried uninstalling Perian and after that MKV Previews were gone.

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