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There is an option to have Norton clean Firefox files, but it's not listed under File Cleanup. After talking to a rep, who told me the option doesn't exist in Norton, I came here looking for some feedback.
Is Norton actually cleaning the files? If so, where is it listed? I've actually checked for files after running the clean up feature, and they are still present. The Firefox Cleanup is set to On under Settings, Administrative Settings.... scroll to the bottom.