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Can't uninstall old plugins

  • 7 biyano
  • 2 eza na bankokoso oyo
  • 22 views
  • Eyano yasuka ya FredMcD

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Despite the fact that I uninstalled Firefox as completely as I could, and reinstalled it, when I open the add-ons manager, not only are all the plugins below already installed, I also have the following: Widevine, Google Talk, Flip4Mac, Silverlight and a few others. When I follow the instructions to find the extension files in Finder, the folders are all empty. How can I get rid of all these old plugins that don't seem to exist anywhere on my computer but show up even after I uninstall and re-install Firefox?

Despite the fact that I uninstalled Firefox as completely as I could, and reinstalled it, when I open the add-ons manager, not only are all the plugins below already installed, I also have the following: Widevine, Google Talk, Flip4Mac, Silverlight and a few others. When I follow the instructions to find the extension files in Finder, the folders are all empty. How can I get rid of all these old plugins that don't seem to exist anywhere on my computer but show up even after I uninstall and re-install Firefox?

All Replies (7)

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You can find the installation path of all plugins on the about:plugins page. You can open the about:plugins page via the location/address bar.

See also "Manually uninstalling a plugin":

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Extensions are options you install into Firefox, They can be removed at will. Plugins are from programs that Firefox finds already on your system.

An extension without a Remove button is really a plugin. The only way to remove a plugin is to remove its program from your system. However, you can disable extensions and plugins if you want.

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Thanks for your responses. I had already viewed the help topics you posted above, so I searched my system for every file related to the plugins I could find and removed them all. However, when I reinstall Firefox, the plugins are still there. This is why I'm so confused. Any other suggestions?

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List the plugins in question.

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Try to delete the pluginreg.dat file in the Firefox Profile Folder and maybe addons.sqlite as well to reset the plugin registry databases.

See Re-initializing the plugins database:

You can use this button to go to the current Firefox profile folder:

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Thanks for your help! After searching through some more hidden files, I was able to locate the extensions in question and delete them.

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Is everything okay now?