How to Fix Disabled Add-ons in Firefox May

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Update** Upgrading to the latest version of Firefox, may fix the issue, so try that before anything else
Go to Help - About Firefox
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The video with titled How to Fix Disabled Add-ons in Firefox May published by Dragonfly Computers with Channel ID UCOCgEuujsoR_Qc9TnwLVlMQ At 05 05 2019 - 13:26:02