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The 'New Tab' selection under 'File' does not work.

Additional System Details

This happened

Every time Firefox opened

This started when...

not sure, c 2 weeks ago?

Installed Plug-ins

  • Foxit Reader Plug-In For Firefox and Netscape
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Default Plug-in
  • Shockwave Flash 10.2 r153
  • Next Generation Java Plug-in 1.6.0_24 for Mozilla browsers
  • Office Authorization plug-in for NPAPI browsers
  • The plug-in allows you to open and edit files using Microsoft Office applications


  • User Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv: Gecko/20110319 AskTbTRL2/ Firefox/3.6.16

More Information

  • Moderator
1041 solutions 8840 answers

Helpful Reply

Uninstall the Ask toolbar and it should work again. There is a compatibility issue with the Ask toolbar and Firefox that prevents new tabs from being opened.

There are a couple of places to check for the Ask toolbar:

Question owner

Thanks Tony, all now restored to normality! John

JMC2 0 solutions 1 answers

I'm having the same problem, but it's not in Windows, it's on a Mac. I don't have the ask toolbar as far as I can see.

  • Top 10 Contributor
  • Moderator
10742 solutions 96657 answers

Helpful Reply

Start Firefox in Troubleshoot Firefox issues using Safe Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).