Fix for mplayer in Firefox under Ubuntu is not working

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Online videos (mpeg and some wmv files) were not playing in Firefox under Ubuntu Edgy in my desktop.The problem could be mplayer for Firefox installed and totem for Firefox plugin also installed .First You need to uninstalled the totem plugin from the terminal using the following command

sudo apt-get remove totem-mozilla

Now you need to reinstalled mplayer plugin for Mozilla and now your mplayer should work in firefox.

If you don’t want to uninstall totem plugin, you can try this in a terminal

login as root

cd /usr/lib/mozilla-firefox/plugins

mkdir oldtotemfiles

mv libtotem* oldtotemfiles (move to totem plugins)

Now you need to reinstall mplayer plugin for firefox using the following command

sudo apt-get install --reinstall mozilla-mplayer

This should get mplayer to work.

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7 Responses

  1. Sam says:

    When I try to run this:

    sudo apt-get install –reinstall mozilla-mplayer

    I get this error message:

    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    E: Couldn't find package –reinstall

    Any ideas?

  2. stuart scott says:

    instead of typing -reinstall type –reinstall
    you need the extra –

  3. Sam says:

    Dangit. Yup, that did it. Just needed to follow the directions.

  4. Sam says:

    Actually, I still can’t get it working. Are there any other potential problem areas? I’ve tried reinstalling totem, then doing this guide, and everything else I can think of, but still no dice.

  5. Luisa says:

    This is the only thing that has worked so far! Thank you for sharing!

  6. Ragnar says:

    if i want to remove totem-mozilla there would also be ubuntu-desktop removed, i don’t think this is a good idea
    Am i doing something wrong?

  7. Marek says:


    ubuntu-desktop is a meta-package, you can safely remove it.

    this procedure did not help me nonetheless

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