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Latest flash plug-in causing FF 19 to hang at exit. Uninstalled the plug in and reinstalled fresh from Adboe with same results.

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  • Last reply by kieran137

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Each time I close Firefox, I have to open the Task Manager and manually kill the process. I uninstalled the flash plug-in and the problem is solved, except now I cannot use YouTube etc etc. Without the Flash plug-in the browser works normally, with it, not so much.

Each time I close Firefox, I have to open the Task Manager and manually kill the process. I uninstalled the flash plug-in and the problem is solved, except now I cannot use YouTube etc etc. Without the Flash plug-in the browser works normally, with it, not so much.

Chosen solution

I attempted the reset to no avail. I uninstalled and then reinstalled Firefox and the plug in and that fixed the issue.

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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 Refresh Firefox - reset add-ons and settings article.

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As I pointed out, without the plug-in I have no issue. Resetting Firefox is not going to change a compatibility problem between the plug-in and browser.

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Chosen Solution

I attempted the reset to no avail. I uninstalled and then reinstalled Firefox and the plug in and that fixed the issue.