My popup blocker exceptions disappear when I close Firefox.

I just ran into this the other day, but it's become a major issue. The exceptions I enter into the popup blocker don't persist from session to session; as long as at least one instance of Firefox remains open the exception list is there, but after I close Firefox and reopen it I have no exceptions left. I only need a handful of exceptions, but I don't want to have to type them in every time I access those web sites!

In case you are using "Clear history when Firefox closes":
*do not clear the Site Preferences
*Tools > Options > Privacy > Firefox will: "Use custom settings for history": [X] "Clear history when Firefox closes" > Settings
*https://support.mozilla.org/kb/Clear+Recent+History
Note that clearing "Site Preferences" clears all exceptions for cookies, images, pop-up windows, software installation, passwords, and other website specific data.
Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do NOT click the Reset button on the Safe Mode start window.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
If you use cleanup software like CCleaner then check the settings for the Firefox application.

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    * '''Firefox hangs''' | Troubleshooting | Firefox Support <br>http://support.mozilla.com/en-US/kb/Firefox%20hangs#w_hang-at-exit
    Use the '''Windows Task Manger''' to remove all running firefox.exe in the "'''Processes'''" tab of the Windows Task Manager, then restart Firefox.
    If Firefox will still not start, remove the parent.lock file from the profile which is created each time Firefox is started to prevent other Firefox tasks from running, see<br>
    http://kb.mozillazine.org/Profile_in_use#Remove_the_profile_lock_file
    '''Avoiding Problems with close/restart''' ''choose either extension''
    :Use to close and restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files, then you don't have to worry about delay or have to look in the Task Manager to see if Firefox is closed yet.
    Both extensions use the same keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option.
    *"'''Restartless Restart'''" extension for Firefox 4.0+ only (2 KB download ) <br>https://addons.mozilla.org/firefox/addon/249342/
    *For older versions use "'''QuickRestart'''" extension (34 KB download) (<br>https://addons.mozilla.org/firefox/addon/3559/

  • Why does Firefox try to launch Adobe and/or Quicktime when I close Firefox? What is it loading into those programs?

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    This can be caused by clearing the cookies via [[Clear Recent History]].<br />
    * Firefox/Tools > Options > Privacy > Firefox will: "Use custom settings for history" > [X] Clear history when Firefox closes > Settings
    You can try to exclude the cookies to test that.<br />
    You can let all cookies expire when you close Firefox to remove unwanted cookies and keep the ones with an allow exception.
    * Tools > Options > Privacy > Cookies: "Keep until": "I close Firefox"
    If you use [[Clear Recent History]] to clear the cookies when you close Firefox then Firefox also tries to clear the cookies from plugins like Flash and starts a plugin-container process for each plugin and possibly for each cookie (?) and that can add extra time if there are a lot of cookies to remove and also can cause an unresponsive script error to appear.

  • When I close Firefox and then come back to it layer a box comes up that says it's already running. It ays to close Firefox first but when I hit close nothing happens and the box comes up again. I have to shut down my computer and restart to get into Firef

    When I close Firefox and then come back to it later a box comes up that says it's already running. It says to close Firefox first but when I hit close nothing happens and the box comes up again. I have to shut down my computer and restart to get into Firefox again. If I can't get this fixed I will start using someone else. Someone told me a way to close Firefox but I forgot what they said.
    == This happened ==
    Every time Firefox opened
    == a couple of months ago

    Hello Brian.
    You don't need to restart your computer to open Firefox again: you just need to close it manually through your application manager (CTRL+SHIFT+ESC in Processes tab). Anyway, hopefully this support article is what you need:
    http://support.mozilla.com/en-US/kb/Firefox+hangs
    What's probably happening is that you may be having a problem with some Firefox add-on that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?
    Whenever you have a problem with Firefox, whatever it is, you should make sure it's not coming from one of your installed add-ons, be it an extension, a theme or a plugin. To do that easily and cleanly, run Firefox in [http://support.mozilla.com/en-US/kb/Safe+Mode safe mode] and select ''Disable all add-ons''. If the problem disappears, you know it's from an add-on. Disable them all in normal mode, and enable them one at a time until you find the source of the problem. See [http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes this article] for information about troubleshooting extensions and theme. You can troubleshoot plugins the same way.
    If you want support for one of your add-ons, you'll need to contact its author.

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