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Thread: [SOLVED] Firefox add ons not being uninstalled (8.04)

  1. #1
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    [SOLVED] Firefox add ons not being uninstalled (8.04)

    Hi. I have recently upgraded to 8.04 and decided to uninstall firefox 3 and install firefox 2. None of my plugins were working so I did a complete removal and then reinstalled but to no avail.
    When I try to uninstall the add ons I get an error (also when trying to "enable add onns")
    Error: installLocation has no properties
    Source File: file:///usr/lib/firefox/components/nsExtensionManager.js
    Line: 3938

    Error: uncaught exception: [Exception... "'[JavaScript Error: "installLocation has no properties" {file: "file:///usr/lib/firefox/components/nsExtensionManager.js" line: 3938}]' when calling method: [nsIExtensionManager::uninstallItem]" nsresult: "0x80570021 (NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS)" location: "JS frame :: chrome://mozapps/content/extensions/extensions.js :: anonymous :: line 1696" data: yes]

  2. #2
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    Re: Firefox add ons not being uninstalled (8.04)

    bump

  3. #3
    Bubba64 is offline Grande Half-n-Half Cinnamon Ubuntu
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    Smile Re: Firefox add ons not being uninstalled (8.04)

    Quote Originally Posted by dopple View Post
    Hi. I have recently upgraded to 8.04 and decided to uninstall firefox 3 and install firefox 2. None of my plugins were working so I did a complete removal and then reinstalled but to no avail.
    When I try to uninstall the add ons I get an error (also when trying to "enable add onns")
    Error: installLocation has no properties
    Source File: file:///usr/lib/firefox/components/nsExtensionManager.js
    Line: 3938

    Error: uncaught exception: [Exception... "'[JavaScript Error: "installLocation has no properties" {file: "file:///usr/lib/firefox/components/nsExtensionManager.js" line: 3938}]' when calling method: [nsIExtensionManager::uninstallItem]" nsresult: "0x80570021 (NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS)" location: "JS frame :: chrome://mozapps/content/extensions/extensions.js :: anonymous :: line 1696" data: yes]
    Nightly tester tolls in the add ons of Mozilla will enable the plugins that are not working, install it then open add ons and click button on the bottom of the drop down.

  4. #4
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    Re: Firefox add ons not being uninstalled (8.04)

    Thanks Bubba. I'll check that out tonight!

  5. #5
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    Re: Firefox add ons not being uninstalled (8.04)

    It looks like your Firefox profile is corrupted. The best way to fix this, would be to use the Profile Manager.

    In short, this means:

    • Close all Firefox windows
    • [Alt]-[F2] and type firefox -profilemanager
    • This will open the Profile Manager
    • Use the 'Create'-button to create a new profile
    • (You could optionally delete the other profile)

    Good luck!

  6. #6
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    Re: Firefox add ons not being uninstalled (8.04)

    Thanks for all the help. I'll try creating a new profile and if I have no luck there I'll try using the Nightly Tester Tools add on (If I can install it).

  7. #7
    Bubba64 is offline Grande Half-n-Half Cinnamon Ubuntu
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    Smile Re: Firefox add ons not being uninstalled (8.04)

    Quote Originally Posted by dopple View Post
    Thanks for all the help. I'll try creating a new profile and if I have no luck there I'll try using the Nightly Tester Tools add on (If I can install it).
    A new profile may not keep your bookmarks or the plugins, but I am not sure, here is a link to NTL.
    https://addons.mozilla.org/en-US/fir...tester%20tools

  8. #8
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    Re: Firefox add ons not being uninstalled (8.04)

    The bookmark problem can be easily solved by using the Foxmarks extension. This won't help you now, but it can help you backup and share bookmarks with multiple setups.

    You could look for a bookmarks.html file in your old profile folder (something like ~/.mozilla/firefox/<some code>/bookmarks.html) which can be imported in FF2.

  9. #9
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    Re: Firefox add ons not being uninstalled (8.04)

    I use very few plugins and I only use google toolbars bookmarks so the new profile should be fine. I don't mind re-installing HTMLValidator and Stumble Upon.

  10. #10
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    Re: Firefox add ons not being uninstalled (8.04)

    Creating a new profile worked. I had to use firefox-2 -profilemanager as the "firefox" alias in Hardy is for Firefox v3.
    Thanks

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