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I have Firefox 4.0. I downloaded Video Downloader extension. Cannot open it, get message that there is no app in which to open it. Please advise. Ralph

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ralphxp
ralphxp
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I cannot open Video Downloader, get message there is no app in which to open it, although I have Firefox 4.0.

I cannot open Video Downloader, get message there is no app in which to open it, although I have Firefox 4.0.

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cor-el
cor-el
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If you saved the .xpi file to your computer then use File > Open File to install the extension.

If is easier to install the extension directly from the website and not download the file.