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How to restore previous version of firefox to discover if update to 44 version caused youtube video replay addon to stop working.

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  • 1 有這個問題
  • 5 次檢視
  • 最近回覆由 jscher2000

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How to restore previous version of firefox to discover if update to 44 version caused youtube video replay addon to stop working. Also downloaded different replayer with same results.

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Let's continue in your earlier question here: https://support.mozilla.org/questions/1107030