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You might want to install the Add-on Compatibility Reporter available from https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/ https:/
by nachtigall 9y ago
You might want to install the Add-on Compatibility Reporter available from https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/ https://addons.mozilla.org/en-US/firefox/addon/add-on-compat...
- perlwle 9y agothanks for recommending this. It lists dozens of incompatible installed add-ons such as cookie monster, Live Http Header, UserAgent Switcher, Vimporator etc.