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FF 52.7.3 ESR and themes no longer working
I had a theme I was using for years and years. But there was one problem: The "new tab" plus sign was missing. After much work I could get it on the extreme left of the page or the extreme right, but not after the last tab like it should be. So that's when I made the fatal mistake of restoring the default settings.... yes, I fixed the plus thing, but now my theme did not work. In fact NONE of them work except the space theme and the default.
And worse, when I click on "get more themes" all the theme previews are missing. When I click on the preview button it only changes the color of the bars, but not the imagery. :-(
Very sad day. I really miss my themes.
Alle svar (1)
Sounds that you no longer have the default permission(s) for installing extensions. Preview only works when you have this permission enabled.
Previewing a lightweight theme (Persona) only works on sites that are white-listed via an allow exception, so make sure to have an allow exception for the addons.mozilla.org domain. You can see the permissions for the domain in the current tab in:
- Tools > Page Info > Permissions > [X] Install Add-ons