Hi, This may happen if you '''Use Small Icons''' in '''View''' ('''Alt''' + '''V''') > '''Toolbars''' > '''Customize'''. Also, if you are using a custom theme you can temporarily try the '''Default''' theme in '''Tools''' ('''Alt '''+ '''T''') > '''Add-ons''' > '''Appearance''' to check. [https://support.mozilla.org/en-US/kb/use-themes-change-look-of-firefox Using themes] If the problem persists, you can consider the [https://support.mozilla.org/en-US/kb/reset-firefox-easily-fix-most-problems Reset Firefox] feature via '''Help''' ('''Alt''' + '''H''') > '''Troubleshooting Information'''. (To revert to the previous profile you were using, close the new profile, start Firefox and choose the '''Default User''' profile. While the [https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles Profile Manager] is open, you can also delete the newly reset profile (the one containing random numbers), or the former profile, as the case may be). [https://support.mozilla.org/en-US/kb/Managing-profiles Managing profiles] [https://support.mozilla.org/en-US/kb/Profiles?s=profile&r=2&e=sph&as=s Profiles Howto]

I found the problem. I had the navigation buttons in the following order: * Back/Forward * Home * Refresh * Stop * Separator * Address Bar Since 14, the back/forward buttons have to be directly next to the address bar in order to be circular.

Thanks for posting the helpful info.