I just updated to Firefox 9.0.1 and when using Yahoo mail I can no longer send an SMS. What happened?

Question

Selecting the drop down arrow displays the SMS option. Clicking on it does not show any activation. Has always worked before.

Answer 1

Recently, the Yahoo Toolbar and the Babylon extension have been reported to cause that problem ---- you have both installed. They seem to overlap invisibly over the top of the web page display. If you have either or both, uninstall or disable them/it, or see if an update is available that solves the problem.
*See --> http://support.mozilla.com/en-US/kb/Uninstalling+add-ons
*See --> http://support.mozilla.com/en-US/kb/Cannot%20uninstall%20an%20add-on
*See --> http://kb.mozillazine.org/Uninstalling_toolbars
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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.com/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.com/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.com/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.com/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]