Started to clear browse history and now I can't open Firefox at all for the past four hours

I am on a MacBook Pro and recently was prompted to upgrade Firefox. Since the upgrade, I found surfing the internet harder as I frequently found Firefox...not crashing...but it would get stuck trying to open up or to open up a new page or site. I looked this up in Firefox support and found something called "hanging" and this sounded like what I was experiencing. Looking through I tried finding the various solutions. Nothing helped. I did try to clear the browsing history. Each time I tried that, it locked up with the spinning thinking wheel. Then, I tried resetting the preferences to clear on exit and then exited. Ever since then, I cannot get Firefox to launch to the internet at all. I get "not responsive" on a right-click. Please help. I love my Firefox. - Lynda

i wish i could paste the error message but it is

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i wish i could paste the error message but it is

I have one site in my browsing history that won't erase for some reason, and it's been crashing Firefox every time I try to erase it. I changed my security preferences to clear history before each session, and now I can't open Firefox at all. Help.

The site in question was the homepage for Air BnB (http://www.airbnb.com/). It's never given me problems before, and didn't even after this particular instance. I would like to continue using Firefox, but it ill no longer open, I'm assuming because it gets stuck trying to clear the history (as per my changed preferences).
Is there a way to uninstall the program without losing my bookmarks?
Is there a way to manually clear this problem with my history outside the program?

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Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* Firefox 4.0: http://www.mozilla.com/en-US/firefox/all.html
* Remove the Firefox program folder before installing that copy of the Firefox installer.
* It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
* http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

I updated and now I can not open firefox

I installed the damn update you sent and now I can't get Firefox open

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One of the suggestions probably was to try starting Firefox in its Safe Mode by holding down the shift key when starting Firefox. (This doesn't work if Firefox is still running hidden in memory.)
In the small dialog that should appear, click "Start in Safe Mode" (''not'' Reset)
Any luck?
Also, I will message you a link to download Firefox 27.0, in case the problem is unique to Firefox 27.0.1.

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Hi! I really hope someone can help me with this-
iTunes just had a popup that there was new software to install, so I chose the update to iTunes. The download was almost finished, but then it stopped and said there was a problem with the download (obviously) and to try to install it from within the program. Fine by me. Only, I can't open iTunes now?? It tells me that, "The item refered to by this shortcut cannot be accessed. You may not have the appropriate permissions."
I'm not even going to try and pretend that I know what that means, lol. I searched my entire computer for iTunes and every shortcut/folder/etc with 'iTunes' in it gives me an error message of some sorts. D:
I even tried to re-download iTunes from this site, but it gets halfway and then gives me error message 2324.
What do I do from here? I really don't want to uninstall iTunes (if it even still exists on my computer) because I'm afraid I'll all the modified song information that I just spent literately hours updating last week. >_<
-Sica

Similar problem here. iTunes11 notified me it was available. However, auto-update failed. So, I downloaded for manual update. That failed with "permission" message. I am administrator on this machine (WIN7). I tried uninstalling old version, but it failed with same permission issue. I now can't start iTunes... throws permission message. So, I'm completely dead in the water. Does this stuff get tested before it's shipped?

Tried to update and now I can't open Itunes at all...

I don't know what I did wrong but last night I wanted to purchase some music to download on my nana gen 1 and it wouldn't let me unless I updated, so I did...well now my itunes won't open at all! The shortcut Icon is on my screen but it won't work...HELP!!! I don't want to lose all of my music! I wan't to cry!! Does anyone know what to do?

Hello bajura007,
Thank you for the details of the issue you are experiencing with installing the latest iTunes update. I recommend following the steps below:
Resolution
Follow these steps to resolve the issue:
Check for .dll files
Go to C:\Program Files (x86)\iTunes and C:\Program Files\iTunes and look for .dll files.
If you find QTMovie.DLL, or any other .dll files, move them to the desktop.
Reboot your computer.
Note: Depending on your operating system, you may only have one of the listed paths.
Uninstall and reinstall iTunes
Uninstall iTunes and all of its related components.
Reboot your computer. If you can't uninstall a piece of Apple software, try using the Microsoft Program Install and Uninstall Utility.
Re-download and reinstall iTunes 11.1.4.
When you get to the step to uninstall iTunes, it is important to uninstall iTunes and the related components in the order listed in the link for that step.
You can find the full article here:
iTunes 11.1.4 for Windows: Unable to install or open
http://support.apple.com/kb/TS5376
Thank you for using Apple Support Communities.
Best,
Sheila M.

I downloaded Firefox 4 but my laptop cannot open Firefox 4. I want my old Firefox so I don't lose my bookmarks, etc. Now I can't open Firefox at all.

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When I took my laptop, which is running in XP, to get rid of a
number of trojans, etc, the computer tech put AVG on it. Since
then, I have been getting random notices from AVG. I got a
notice and clicked it before thoroughly reading it, assuming it
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Firefox, and I thought it needed to close Firefox so it could
scan something. Ever since, I click on the shortcut or the file
itself to no avail. Nothing happens. I've even tried
uninstalling and reinstalling. Have I unknowingly changed my
administrative settings?

Annette,
#In the menu bar, at the top of the Firefox window, Go to Tools -> Add-ons -> Extensions.
# Locate ''each ''of the following extensions by name and click the disable button
#Restart Firefox as prompted and see if the undesired toolbar has been removed.
#The extensions to disable are: '''Crawler Toolbar''', '''MP3 Rocket Toolbar''', '''MSN Toolbar''', '''Search Helper Extension'''
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When I launch Firefox I get the following error message; Could not verify this certificate because it has expired.
xml.freecause.com:443 uses an invalid security certificate.
Issued to
Common name *.freecause.com
Organization freecause, Inc
Organizational Unit IT
Serial Number 04:64:CB:B8:16:32:4C:E5:AB:11:DF:01:5E:29:DC:78
Issued by
Common name Digicert Global CA
Organization Digicert Inc
Organizational Unit www.digicert.com
Validity
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Expires on 9/24/11
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MDS fingerprint C5:5D:8B:95:ED:C6:72:1A:A6:F8:EO:58:A8:62:6E:A8
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I can't even access Tools because the pop up window won't go away.
Bummer!

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Did not have this problem with the previous version.

That happens if all instances use the same profile folder.
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Started to clear browse history and now I can't open Firefox at all for the past four hours

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