How do i uninstall firefox 5 and reinstall firefox 4?

Today firefox updated itself inspite of the "update firefox" option NOT being checked. I've now lost the functionality of addins that I depend on daily... :(
How do I uninstall firefox 5 and reinstall firefox 4?

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How can I uninstall yosemite and reinstall Loin with out losing all my in formation and programs

How can I uninstall Yosemite and reinstall Loin with out losing all my in formation and programsThis had been the worst os system apple has come out, too many errors
too many to list.
a few
Losing all mail. and watching them disappear in front of my eyes and could nothing about it
also when accessing cloud the screen just rolls in when accessing mail, like loading and loading and loading for 1 to 2 minuets.
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1. a. Resetting your Mac's PRAM and NVRAM
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Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the Utilities menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
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I can only open up one window with multiple tabs; right click "open in a new window" does not work. I uninstalled Firefox and reinstalled Firefox with same results.

Just bought a new i5 laptop and am transferring files, etc onto new box. Last night I had two separate Firefox windows up. I downloaded Nexus Ultimate late and rebooted this morning. I had to restart Firefox then, and it did not save my settings/tabs as I prompted it to do when it shut down to reboot.
I uninstalled Nexus and wasted many hours trying to resolve this, including two failed system restores (looks like Nexus is a dirty little bugger) Windows Explorer will open up multiple windows. Firefox will not. Help.

Have you tried: click Firefox button > New Tab > New Window '''''OR''''' CTRL+N '''''OR''''' File > New Window (if using the Menu Bar)
Once open, Firefox locks the Profile that is in use and you can not open another window with that Firefox version and Profile combination using the Windows Desktop icon or the Windows Programs list.

Cant uninstall firefox28 and reinstall firefox 30 -- why?

have had and loved firefox for years and loved it until recently.. firefox 28 now tells me to update "flashplayer" when i do this, 3 or 4 tabs open up and start downloading different things,,, "new player", "a repair tool", and a couple of other things that i cant remember.. so i let em load then go into control panel
and uninstall them.... trouble is, next time i'm on firefox the whole thing starts over again .. lastly, i have tried numerous times to uninstall ff28 from control panel and it will not uninstall --- why is this, is it something in settings ????? help please !!

If you get a pop-up message asking to update Firefox or plugins then such a message is likely a scam and you should never respond to such an alert to avoid getting infected with malware.
*Only update Firefox via "Help > About" or by downloading and installing Firefox from the Mozilla server and never via a pop-up or link on a web page.
*Plugins should only be updated via the plugin itself or by visiting the home page of the plugin.
Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware.
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: http://windows.microsoft.com/en-us/windows/using-defender
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
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InDesign CS3 crashes when I export a PDF. I have updated it to 5.0.4 but it still crashed. I bought it as part of the Design Premium pack. How do I uninstall InDesignCS3 and reinstall the original software?

Hi, the title says it all
I've been trying to find out on the Adobe site how to uninstall CS3 Design Premium and then reinstall the original software in the hope that this will eliminate the crashing problem, which only started yesterday.
You're help will be very much appreciated.
Alison

Run the cleaner tool and reinstall.
Use the CC Cleaner Tool to solve installation problems | CC, CS3-CS6
Just be aware that none of this will matter if you are using a newer version of e.g. Acrobat that by ways of updates may introduce/ have introduced an incompatible version of one of the PDF libraries commonly shared and used by all Adobe programs. you have to tread lightly and be careful...
Mylenium

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I have the latest version of iPhoto installed, but it will not open now. An earlier error message prompted me to update to the latest version, which I have. How cna I uninstall and reinstall this APP that I aleady own?
Thanks - David

Fixing that does not require reinstalling the iPhoto Application - it requires correct library issues
What exactly happens? What version of iPhoto do you have installed (in teh finder select it in the Applications folder and get info)?
If it iPhoto '11 version 9.5.1 then Back up your iPhoto library, Depress and hold the option (alt) and command keys and launch iPhoto - rebuild your iPhoto library database
LN

None of my other toolbars (yahoo, google, norton and stumbleupon) do not work with version 5. How can I uninstall 5 and reinstall 4?

Along with the above information, when I sign on to the internet with version 5 I get this error:
Warning: Unresponsive script
A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.
Script: chrome://stumbleupon/content/datastore.js:1243
I am also redirected to:
http://barisderin.com/?p=516 and
http://www.mozilla.com/en-US/firefox/5.0/whatsnew/
I am using Windows 7 Home as my OS
When I try to reinstall any of my toolbars I am told it is not compatible with Firefox 5. I really hate to go back to IE but I may have to if I can't get this fixed.

stumbleupon is compatible as the version you have may just be old.
https://addons.mozilla.org/en-US/firefox/addon/stumbleupon/
Norton has actually tried to get a update patch out for Firefox 5.0 back on Tuesday (versus taking some six weeks) when Firefox 5.0 was released. However I think some say the toolbar may not work if patch was installed before Firefox 5.0 and not after.
http://community.norton.com/t5/Norton-Internet-Security-Norton/Update-Available-Firefox-5-0-Compatibility-Release-for-Norton/td-p/478160
http://community.norton.com/t5/Norton-Internet-Security-Norton/Norton-Toolbar-for-Firefox-5/m-p/488664#M163730
Long thread if you want to discuss about any problems with toolbar.
As for Google toolbar well Google still has not cared to get a new release out yet when they were aware for weeks.

Firefox keeps freezing up and reading "not responding" in the top bar I uninstalled Firefox and reinstalled it but it won;t work I have Firefox 6 I guess and Windows 7 and Office HELP !!!!!!!!!! IT IS DRIVING ME CRAZY

For the past few weeks I guess every 5 MINUTES ! Firefox freezes and the top bar reads NOT RESPONDING it stays that way for abit and is frustrating ! My Kapersky says no threats or virus I am fine, I deleted files and photos and music it made no difference. I uninstalled Firefox and reinstalled Firefox 6 and still it does it....and did it again as I write this.............

You are not alone Morganbai, Iv the exact same trouble. Iv also tried firefox 7 beta and have the exact same trouble. Please Please someone help us

I have malware only on Firefox and only on retail sites. Used spybot, reset Firefox and reinstalled. Nothing worked. What can I do?

Recently I must have downloaded a virus. On Firefox when I go to any commericial site I am bombarded with pop up ads. Facebook, PDFs and search engines there are no pop ups.I have downloaded and ran Spybot, reset Firefox and reinstall Firefox. I tried using IE and I don't seem to be having the same problems. I do like Firefox, especially for using my RSS feeds. Hopefully you have a solution. BTW I have an older PC running XP.
Thanks
Mike

Separate Issue.
Your System Details shows
Installed Plug-ins
Shockwave Flash 11.7 r700
Shockwave Flash 9.0 r47
Having more than one version of a program may cause issues.
Flash is notorious for not cleaning out the older version as part of an update.
Grab the uninstaller from here:
'''[http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Uninstall Flash Player | Windows]'''
'''[http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-mac-os.html Uninstall Flash Player | Mac]'''
Then reinstall the latest version.
Shockwave Flash '''v15.0.0.152 http://get.adobe.com/shockwave/'''

Some websites are saying I need to enable cookies when it is enabled already. I already tried deleting the cookie, deleting all cookies, clearing my cache, and uninstalling and reinstalling Firefox. How do I fix this?

I am trying to access my school's library database. When I log in to access the library, it tells me that the site needs to verify me by sending me a cookie. There's a link to log in again, but when I click it, it says "404 not found". My privacy settings already have cookies enabled, and I tried deleting the cookie and revisiting the site but the same thing happens. I also tried uninstalling Firefox and reinstalling it, but that didn't work either. I am able to access the library on my iPod Touch, and I've tried other browsers on this compute and I can't access them on other browsers either. So it is clearly some issue with my computer that is preventing me from accessing this library. I don't know how else I can resolve this issue and I need to do so ASAP because my inability to access the library off campus is severely hampering my ability to get my work done.

See:
*http://kb.mozillazine.org/Cookies
*http://kb.mozillazine.org/Websites_report_cookies_are_disabled

I'm trying to uninstall firefox and reinstall it as it keeps freezing, but it wont close and so I cant reinstall it. How can I fix this?

For the last fortnight or so, firefox kept freezing, but it would always fix itself within a minute or so. I did a computer scan and everything was clean and I reduced the number of tabs I had open to try and speed things up, but even when I had only one tab open, it would freeze. Today, it froze and hasnt fixed itself even after 5 hours, and after ive restarted my laptop. A message keeps popping up about 'a script has stopped working' and whatever I press makes no change (stop script, or continue). Im trying to uninstall and reinstall firefox, but I can't uninstall it until the programme is closed. But I cant close it as it is completely frozen. How can I fix this?
Thanks in advcance.

Usually uninstalling and reinstalling only helps if the program files are damaged. When the issue if an add-on or setting, then you wouldn't expect to see any change. (I am assuming that you do not remove all your personal data, as that would blow away your bookmarks.)
If this started after you installed Firefox 27, do you want to test whether Firefox 26 still works smoothly? This article has a link to download the installer from Firefox 26 (you need to visit using Firefox 27 to get the link): [[Install an older version of Firefox]].

How do i uninstall firefox 5 and reinstall firefox 4?

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