Hello, just tried disabling extensions one by one and it seems that https://addons.mozilla.org/en-GB/firefox/addon/rikaichamp/ https://addons.mozilla.org/en-GB/

Hello, just tried disabling extensions one by one and it seems that https://addons.mozilla.org/en-GB/firefox/addon/rikaichamp/ https://addons.mozilla.org/en-GB/firefox/addon/rikaichamp/ causes the problem. I can reliably enable/disable the extension to reproduce/fix the problem.