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Firefox will not re-start without "ending process" with Windows Vista Task Manager.

Posted

Error Message: “Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.”

Have to start Task Manager and then end firefox.exe process.

Thanks all.

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Additional System Details

Installed Plug-ins

  • Next Generation Java Plug-in 10.13.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Shockwave Flash 11.5 r502
  • Google Talk Plugin Video Accelerator version:0.1.44.23
  • Version 3.13.1.11376
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.5
  • NVIDIA 3D Vision plugin for Mozilla browsers
  • NVIDIA 3D Vision Streaming plugin for Mozilla browsers
  • Google Update
  • Shockwave Flash 11.3 r300
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • 5.1.10411.0
  • AmazonMP3DownloaderPlugin 1.0.15
  • GEPlugin
  • Provides additional functionality on Facebook. See our web site for details.
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.0; WOW64; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

Tylerdowner
  • Top 10 Contributor
  • Administrator
  • Moderator
973 solutions 5436 answers
Posted

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

  1. Go to Firefox > Help > Troubleshooting Information.
  2. Click the "Reset Firefox" button.
  3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
  4. Firefox will open with all factory defaults applied.


Further information can be found in the Reset Firefox – easily fix most problems article.

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