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when i try to use firefox it says that install.rdf is not well formed or doesn't exist. what can i do?

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  • Last reply by cor-el

pantomime-horse
pantomime-horse
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i click the firefox button on my desktop and a window pops up saying what i wrote in my question. i turn the window off and firefox opens normally. it says exactly this: 

Firefox could not install this item because "install.rdf" (provided by the item) is not well formed or does not exist. Please inform the authors about this problem.
i click the firefox button on my desktop and a window pops up saying what i wrote in my question. i turn the window off and firefox opens normally. it says exactly this: Firefox could not install this item because "install.rdf" (provided by the item) is not well formed or does not exist. Please inform the authors about this problem.

Modified by pantomime-horse

All Replies (1)

cor-el
cor-el
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This error can be caused by an extension that tries to install a plugin in a way that is not compatible with current Firefox versions.

Do you see any disabled extensions in Tools > Add-ons > Extensions ?

See: