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There is an error when I want to install a theme.

Firefox Themes
TyDraniu replied 2 days ago
Niikash.52
Niikash.52

When I want to install a theme for my firefox there is an error which says:"Installation aborted because the add-on appears to be corrupt." And because of this error I cannot install any theme. Please help. Thank you...

When I want to install a theme for my firefox there is an error which says:"Installation aborted because the add-on appears to be corrupt." And because of this error I cannot install any theme. Please help. Thank you...

All Replies (1)

TyDraniu
TyDraniu
  • Top 25 Contributor

That's because your Firefox version has been released in 2023. We've changed the root certificate in 2025. Try to update to 115.41.0 ESR.

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