There is a reported incompatibility between current Firefox versions and the '''''Ask Toolbar''''' that causes new tabs to not open. Until Ask fixes the problem with their toolbar, you should disable or un-install the '''''Ask Toolbar'''''. *http://support.mozilla.com/en-US/kb/Uninstalling+add-ons *http://support.mozilla.com/en-US/kb/Cannot%20uninstall%20an%20add-on <br /> ---------------------- <br /> '''Other issues needing your attention''' The information submitted with your question indicates that you have out of date plugins with known security and stability issues that should be updated. To see the plugins submitted with your question, click "More system details..." to the right of your original question post. You can also see your plugins from the Firefox menu, Tools > Add-ons > Plugins.<br /> <br /> *Shockwave Flash 10.1 r102 **'''''Security update version 10.2.152.26 released 2011-02-08''''' #'''Check your plugin versions''': http://www.mozilla.com/en-US/plugincheck/ #*'''Note: plugin check page does not have information on all plugin versions''' #'''Update the [[Managing the Flash plugin|Flash]] plugin''' to the latest version. #*Download and SAVE to your Desktop so you can find the installer later #*If you do not have the current version, click on the "Player Download Center" link on the "'''Download and information'''" or "'''Download Manual installers'''" below #*After download is complete, exit Firefox #*Click on the installer you just downloaded and install #**Windows 7 and Vista: may need to right-click the installer and choose "Run as Administrator" #*Start Firefox and check your version again or test the installation by going back to the download link below #*'''Download and information''': http://www.adobe.com/software/flash/about/ #**Use Firefox to go to the above site to update the Firefox plugin (will also install plugin for most other browsers; except IE) #**Use IE to go to the above site to update the IE ActiveX #*'''Download Manual installers'''. #**http://kb2.adobe.com/cps/191/tn_19166.html#main_ManualInstaller #**Note separate links for: #***Plugin for Firefox and most other browsers #***ActiveX for IE