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Install and configure Firefox 56 (with extensions) on Mac Big Sur

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paoma
paoma
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Hello

I tried installing Firefox 56 on Mac Big Sur. But it is impossible to make settings.

1. Disable automatic update: about: config app.update.auto app.update.enabled I get an alert (blank error message) and I cannot exit Firefox.

2. Install an older version of the iMacros extension http://download.imacros.net/imacros_for_firefox-8.9.7-fx.xpi Cannot use this extension.

May be a write permission error somewhere ?

Thanks a lot

Hello I tried installing Firefox 56 on Mac Big Sur. But it is impossible to make settings. 1. Disable automatic update: about: config app.update.auto app.update.enabled I get an alert (blank error message) and I cannot exit Firefox. 2. Install an older version of the iMacros extension http://download.imacros.net/imacros_for_firefox-8.9.7-fx.xpi Cannot use this extension. May be a write permission error somewhere ? Thanks a lot