Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

firefox won't start; get error message "symbol gtk_window_get_type" not found in /usr/lib/gtk-3.so.o

  • 1 nzaghachinzaghachi
  • 2
  • 2 views
  • Nzaghachi ikpeazụ nke James

more options

firefox worked ok up until about april 2016. When I revert to the march 2016 version which I saved, it is again ok. Every update gives the indicated problem.

firefox worked ok up until about april 2016. When I revert to the march 2016 version which I saved, it is again ok. Every update gives the indicated problem.

All Replies (1)

more options

As of Firefox 46.0 and newer Releases for Linux one needs to have GTK 3.4 (three.four) or newer (newest is say 3.20)

Due to this you also need a GTK 3 os theme to theme Firefox 46+ as GTK 2 themes will not work.

Firefox 45.0.2 and older could run with GTK 2.

https://www.mozilla.org/firefox/46.0.1/system-requirements/