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firefox make the cpu high percent while playing

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firefox taking from the cpu while playing i remove the extentions it fixed

any help to fix this without remove the extentions
firefox taking from the cpu while playing i remove the extentions it fixed any help to fix this without remove the extentions
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i forget to say firefox is closed in the picture

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Do you know which extension is doing it? You can enable/disable them individually by clicking the "slider switch" next to their name on the Add-ons page, Extensions list.

More info: Disable or remove Add-ons