You can change a preference to make tabs open # at the end of all open tabs # immediately after the current tab. NOTE: There is also an option in Tab Mix Plus (which is listed in your Extensions) in TabMixPlus Options ''Events > New Tabs''. See TabMixPlus Settings --> http://tmp.garyr.net/help/ (''scroll down to the settings section'') See: http://kb.mozillazine.org/About:config *Type '''about:config''' in the URL bar and press the Enter key. *If you see the warning, accept it (promise to be careful). *Filter = browser.tabs.insertRelatedAfterCurrent *Look at the "Value" column ('false'''=open at end, ''true'''=open after current tab); Value = true is the default. *Double-click that preference to toggle the value from true to false, or false to true *Restart Firefox (File > Restart Firefox) See: http://www.mydigitallife.info/2010/02/01/change-firefox-to-open-new-tab-at-far-right-end-of-tabbar-disable-insert-next-to-current-active-tab/ '''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.''' ------------------------- Not related to your question, but... You may need to update some plug-ins. Check your plug-ins and update as necessary: *Plug-in check --> http://www.mozilla.org/en-US/plugincheck/ *'''''Adobe Shockwave for Director Netscape plug-in''''': [https://support.mozilla.org/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox] *'''''Adobe PDF Plug-In For Firefox and Netscape''''': [https://support.mozilla.org/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox] *Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.org/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox] *Next Generation Java Plug-in for Mozilla browsers: [https://support.mozilla.org/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]