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Cannot install add-ons or themes in Thundebird 91.0.3

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  • 1 has this problem
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  • Last reply by Matt

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It started with wanting to use one of the themes I used before updating to 91, which I could not select. Followed by trying to install a theme from the official Thunderbird add-ons webpage and getting the next message:

"thunderbird has prevented this site from installing an unverified add-on"

It doesn't matter what theme or add-on I try to install, I get the same message. Does anyone know what is going on? Is there a solution?

Thanks!

It started with wanting to use one of the themes I used before updating to 91, which I could not select. Followed by trying to install a theme from the official Thunderbird add-ons webpage and getting the next message: "thunderbird has prevented this site from installing an unverified add-on" It doesn't matter what theme or add-on I try to install, I get the same message. Does anyone know what is going on? Is there a solution? Thanks!

All Replies (1)

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There was a buggy build released by some distribution maintainers. I suggest you look for an update in your distros repository.