I can only open a new tab by right clicking on an item in an already open tab and selecting open in new tab

Question

I can only open a new tab by right clicking on an item in an already open tab and selecting open in new tab. Nothing else works e.g. File, New Tab, or clicking on the New Tab to the right of the last tab.

Answer 1

Uninstall the '''''Ask Toolbar'''''. It can cause that problem.
*http://support.mozilla.org/en-US/kb/Uninstalling+add-ons
*http://support.mozilla.org/en-US/kb/Cannot%20uninstall%20an%20add-on
*http://kb.mozillazine.org/Uninstalling_toolbars
If that does not solve the problem:
*See --> [http://support.mozilla.org/en-US/kb/Troubleshooting+extensions+and+themes Troubleshooting extensions and themes]
*See --> [http://support.mozilla.org/en-US/kb/Troubleshooting+plugins Troubleshooting plugins]
*See --> [http://support.mozilla.org/en-US/kb/Basic+Troubleshooting Basic Troubleshooting]
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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]