When ever I try to open Firefox I get this message saying it can not open.

"Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory. Please check that this directory has no read/write restrictions and your hard disk is not full or close to full. It is recommended that you exit the application and fix the problem. If you continue to use this session, you might see incorrect application behaviour when accessing security features." I did research on it and I found information on it and it said to to see if the cert6.db is read only and if so unchecked it and restart Firefox, I did that and it did not work same message came up so it then said to delete the file and let Firefox create a new and that should work and it didn't finally they said the fire could be corrupted and to reinstall it I did and it will still not work and i also have over a hundred gbs of free hd space so its not enough room on the hard drive.

There are a few possible causes for that error, for details see [[Firefox is already running but is not responding]].

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When I try to open Firefox I get a message saying it is already open. However it is not open and i cannot access Firefox

When I try to open Firefox I get a message saying it is already open. However it is not open and i cannot access Firefox

See:
* http://kb.mozillazine.org/Recovering_a_missing_profile
* http://kb.mozillazine.org/Profile_in_use
* https://support.mozilla.com/kb/Firefox+is+already+running+but+is+not+responding
If it happens after you've closed Firefox and want to restart the see these:
See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
See "Firefox hangs when you quit it":
*https://support.mozilla.com/kb/Firefox+hangs

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When I try to open firefox I get a message that it could not open because of a problem with chrome registration. After click close 3 or 4 times, the page that opens up is an "add-ons" , plug ins etc. How do I get rid of that?

Top of page that opens says
Add-ons
Get Add-ons, Extensions, themes, plugins, installation
Restart Firefox to complete your changes Restart firefox
HP Smart Web Printing
Norton IPS ...
Norton Toolbar...
So on
Why is this happening and how do I solve this problem? I am just about ready to switch back to Explorer.

Top of page that opens says
Add-ons
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Restart Firefox to complete your changes Restart firefox
HP Smart Web Printing
Norton IPS ...
Norton Toolbar...
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Why is this happening and how do I solve this problem? I am just about ready to switch back to Explorer.

Firefox crashes then when I try to reopen it I get a message saying it is already open and must be closed. It is not open and I cannot close it and have to reboot. It is very annoying as it happens often.

Firefox will close unexpectedly then when I try to open it I get a message saying it is already open and I must close it first. I cannot find it open anywhere and then I must reboot to open Firefox again.

See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]]
See also:
* http://kb.mozillazine.org/Firefox_crashes

Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't help.

<blockquote>Locking duplicate thread.<br>
Please continue here: [[/questions/880054]]</blockquote>
Question
Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't he

Duplicate Thread LOCK please
* Continue here - https://support.mozilla.com/en-US/questions/880054

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Can you browse the Time Machine drive from Finder?
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To give you something, I need something too, like
How old is the Ipod? (if it is still under warranty, then send it to Apple service shop)
Are you running Windows iTunes or Mac iTunes?
What do you see on the iPod screen?
My guess is, your iPod classic is more than 2 years old and out of warranty, and the hardisk has gone kaput! and need to be replaced.
Have a nice day!

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If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.
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When ever I try to open Firefox I get this message saying it can not open.

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