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I have just updated my plug in & add ons, but they are several that say to research. How do I know what plug ins are necessary for mozilla to run properly. I really don't want a bunch of unnecessary downloads on my computer

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I have just updated my plug in & add ons, but they are several that say to research. How do I know what plug ins are necessary for firefox to run properly. I really don't want a bunch of unnecessary downloads on my computer

I have just updated my plug in & add ons, but they are several that say to research. How do I know what plug ins are necessary for firefox to run properly. I really don't want a bunch of unnecessary downloads on my computer

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None are necessary to use Firefox, but some parts of some web pages aren't going to work without a specific plugin being installed.