After installing Yahoo Messenger on your computer (even with the custom method) when you open Firefox and visit add-ons manager, you can notice Yahoo Application State Plugin installed there. This plugin has nothing to do or no-way related to functioning of Yahoo messenger on desktop, you can disable it there by choosing ‘Never Activate’, but let us see how we can remove it.
READ: How to automatically disable newly installed plugins in Firefox
Removing Yahoo Application State Plugin in Firefox
1. Visit about:plugins url in the browser
2. Note down the path of the plugin file npYState.dll and close Firefox browser, navigate to ‘C:Program FilesYahoo!Shared ‘and delete it.
3. When you open Firefox and check installed plugins, Application State Plugin won’t be there.
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Have you found this tip useful? Let us know in the comments.
