I disabled the old xkit and installed the new one, but the xkit icon doesn’t show up in the header bar. Did I install it incorrectly? Are you using an old version of Firefox? This error happens when you try to install XKit on an old version of...

I disabled the old xkit and installed the new one, but the xkit icon doesn’t show up in the header bar. Did I install it incorrectly?


Are you using an old version of Firefox? This error happens when you try to install XKit on an old version of Firefox. If this is the case, you should update to Firefox 39. If not, can you send us what browser and version you’re using?