It is showing here that you are using version 54 could you please update to version 54.01 https://support.mozilla.org/en-US/kb/update-firefox-latest-version Scrolling issues have been solved with updating or re-installing your video drivers, please do so. https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration Also try No Hardware Acceleration Please let us know if this solved your issue or if need further assistance.