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Thread: Firefox problem

  1. #1
    Lounger
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    Firefox problem

    For the past couple of days, in firefox (version 12.0), whenever I open Firefox or a new window (but not a new tab), I get a dialog box: "[JavaScript Application] TypeError: Components.classes[TvtPwmComponent_CID] is undefined" Help!

  2. #2
    Lounger
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    Forgot to add: Running Windows 7 Professional on a Lenovo T420S with 8G RAM

  3. #3
    5 Star Lounger
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    Have you tried updating java from their site.
    Clive

    All typing errors are my own work and subject to patents pending. Except errors by the spell checker. And that has its own patients.

  4. #4
    4 Star Lounger
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    Please do the following.

    1. If you have the layout with the orange oblong button, hit ALT to toggle the text links on.
    2. Click "Help", then "Restart with add-ons disabled".
    3. Confirm by clicking "Restart" and then in the next menu, click the button called "Continue in Safe Mode" without checkmarking any of the boxes.

    When Firefox restarts, all your add-ons will be disabled. Do whatever you normally do that gives you the error. If Firefox doesn't produce one, then one of your add-ons is the culprit.

    What you have to do next is follow the same procedure and then when you get the menu, checkmark the top box called "Disable all add-ons". Then click the button at the bottom which says "Make changes and restart".

    After that, it's just a case of re-enabling them one by one until the problem recurs. Then you'll know which one is the culprit.

    Here's a list of problematical extensions just in case you have one of them: Firefox Problematical Extensions

  5. #5
    Lounger
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    Thanks - I had tried that with the plug ins, but it turned out to be the Thinkvantage Password Manager 3.0. Grrr.

  6. #6
    4 Star Lounger
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    You can use this add-on instead: LastPass Password Manager

    Anyway, glad to hear you found the troublemaker.

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