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How can I unbind WebM video file from Mozilla Firefox?

I often download WebM files to my PC, and all what I do, doesn't help to unbind that file from Firefox. I can't change an icon of that file, and I can't setup my own icon for that file. please, help me. It drives me crazy already!

I often download WebM files to my PC, and all what I do, doesn't help to unbind that file from Firefox. I can't change an icon of that file, and I can't setup my own icon for that file. please, help me. It drives me crazy already!

All Replies (4)

What file extension do those files have?

Did you check that in "Control Panel > Folder Options > File Types" ?

Sure I did. there's no webm! :(

Screen

Did you check the file type via the Properties in the right-click context menu?

Windows may be hiding the real file extension and that may be an extension linked to Firefox.

Yes I did. I've already gave WebM to PotPlayer and gave my icon to the file. It's ok, until I don't have Firefox. As I install it, and still Webm to PotPlayer, the icon changes to icon of Firefox browser %)