Firefox 4.0 won't opern

I downloaded 4.0 but it didn't open. How can I openso that it overrides 3.6?

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

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When I click on an active link from another application, it opens the firefox application, but won't open open the page - it just opens Firefox or takes me to Firefox. No new tab or window is opened and the link is not displayed.

When I click on an active link from another application, it opens the firefox application, but won't open open the page - it just opens Firefox or takes me to Firefox. No new tab or window is opened and the link is not displayed.

Firefox sent an email to me to confirm that I had asked the above question. The email had a link to click. When I clicked it from Firefox, nothing happened. Then I opened IE, signed into Comcast, opened the email, clicked the link, and it brought me here.

Help!! Firefox or Java won't work!!

I created a new user accounta nd now firefox and java won't start up. With firefox I get this error....
/opt/mozilla/lib/firefox-1.5.0.2/run-mozilla.sh: line 131: 9137 Segmentation fault "$prog" ${1+"$@"}
and azuerus and java I get this
[mezoko@tux ~]$ azureus
changeLocale: *Default Language* != English (United States). Searching without country..
changeLocale: Searching for language English in *any* country..
changeLocale: no message properties for Locale 'English (United States)' (en_US), using 'English (default)'
(SWT:9178): Pango-WARNING **: shape engine failure, expect ugly output. the offending font is 'Verdana 10'
(SWT:9178): Pango-WARNING **: shape engine failure, expect ugly output. the offending font is 'Arial 10'
# An unexpected error has been detected by HotSpot Virtual Machine:
# SIGSEGV (0xb) at pc=0xb0f72df7, pid=9178, tid=3085129408
# Java VM: Java HotSpot(TM) Client VM (1.5.0_06-b05 mixed mode, sharing)
# Problematic frame:
# C [libfontconfig.so.1+0x12df7] FcFreeTypeCharIndex+0x17
# An error report file with more information is saved as hs_err_pid9178.log
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
/usr/bin/azureus: line 4: 9178 Aborted java -Xms16m -Xmx128m -cp "${CLASSPATH}" -Djava.library.path="${LIBPATH}" -Dazureus.install.path="/usr/share/azureus" org.gudy.azureus2.ui.swt.Main "$@"
fromg googling it might have something to do with messed up fonts. I can get firefox to work as root though! 0_o.

Just an idea: Have you tried to use Firefox from Mozilla. I mean, download it and give it a try?
I have always done that, from my days in Slack, till this day and have to say that I NEVER have had a problem with Firefox, Java or plugins.
It may be a very biased opinion (since I have never had problems) but I think it may be worth to try.

I did a restore to get rid of updated firefox. know it won't open how do i get it to open & get my tabs back

i did a restore to get rid of updated firefox. know it won't open. how do i get it to open? The reason I got rid of the update is because it would not create multipal tabs of the same website, & i lost my tabs to boot. can anyone help with this?

*Press the Shift key while an entry in the drop down list is highlighted to disable "Switch to Tab" and see the URL.
*Use the cursor Right key to select an item marked as Switch to Tab in the drop down list and copy the URL to the location bar.
*Open the URL in a new tab by using Alt + Enter on the highlighted entry.
*Open the URL in the current tab by using Shift + Enter on the highlighted entry.
If you use a system restore then you have the risk that not all files are reverted to previous versions and you most likely have corrupted your Firefox installation.<br />
You will have to do a clean reinstall of Firefox and delete the Firefox program folder (C:\Program Files\Mozilla Firefox\).<br />
Your personal data is stored in the Firefox profile folder and won't be affected by a reinstall, but make sure not to remove personal data if you uninstall Firefox.
*Firefox 8.0.x: http://www.mozilla.com/en-US/firefox/all.html
*Firefox 3.6.x: http://www.mozilla.com/en-US/firefox/all-older.html

I have spent hours trying to install Adobe Flash on Firefox and it won't work.

I have spent hours trying to install Adobe Flash on Firefox and it won't work.

Seems a common problem.
What OS are you using, Windows 8 64 bit or something? Win 8 has an embedded Flash Player on it, and I have been told here that if this is the case, installing a new version of Flash Player is not necessary, but Fire Fox needs the plug in. They came out with a Flash Player plug in for use with Fire Fox that includes a debugger, but I have not tried it yet. (see below).
I have tried installing Flash Player 11.8.800.994 and 11.7.70.224...... and all crash. I think maybe some anti virus software needs to be disabled to allow installation, or the anti virus thinks its malware. I am also not sure if I need to also install Shockwave Flash for the whole thing to work?
Not sure the following will help and I am about to try it because I am going round in circles, too.
If 11.7 extended support release works for you, would you please update your success by adding a reply at the bottom of your original post, and let us know what you did that worked?
Good luck!
Announcement: Attention: Please read for important changes to Flash Player 10.3
Hide Details
Beginning July 9th, 2013 we will be updating the version of our "extended support release" from Flash Player 10.3 to Flash Player 11.7 for Mac and Windows. To continue to stay current with all available security updates you will need to install the 11.7 extended support release or update to the most recent available release (11.8, etc.) For full details, please see this blog post:
Extended Support Release Updated to Flash Player 11.7
by Chris Campbell (May 21, 2013)

Firefox 4.0 won't start. Says it is not supported on this architecture. I have Mac os X

Firefox 4.0 won't start. Says it is not supported on this architecture. I have Mac os X

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

Firefox 3.63 won't update to 3.64 paused downloading connecting to the update server

Firefox 3.63 won't UPDATE to 3.64
When help menu->resume downloading firefox 3.6.4
dialog shows paused downloading, connecting to the update server,
clicked resume (faulty?) button, no response
even after waiting so long, even tired safe mode, but still paused
== This happened ==
Every time Firefox opened
== one month ago

Go to Tools --> Options --> Advanced --> Network --> Settings and choose "Do not use Proxy" to see if that helps.

Hanging on startup- Firefox and Chrome won't launch.

My MacBook Pro is hanging on the startup screen with the Apple.
I am wondering what else I can try to resolve this.
*It finally booted in Safe Mode- but the screen froze with only a Finder window open.
*Restarted it normally and it finally booted.
*To get it to restart the next day- I had to boot in Safe Mode- it froze again- and then it booted normally.
Other troubles: Safari is the only browser that will launch. Firefox and Chrome won't open, although the Apps are running, no window ever opens.
Here's what I've tried:
*reset PRAM
*ran Disk Utility - repaired permissions, verified the disk- everything checked out ok- button to repair disc wasn't an option.
I've noticed the boot time had been taking longer over the past couple of weeks... shutdown has been taking longer, too.
Apple replaced the Logic Board on this machine in July. Could my current problem be related?
Thanks.

The G5 is a PPC Mac. Chrome and Fx require an Intel (architecture) processor.
Get TenFourFox
http://www.floodgap.com/software/tenfourfox/
There is also Camino
http://caminobrowser.org/download/

Since upgrading to Firefox 4, when I printed anything, I got a gray background covering the page. What I printed could be seen, but it wasted a lot of ink. I had to 'downgrade' to the prior version of Firefox; if it won't be supported soon, what do I do?

I am using Windows XP, SP3. I have experienced this printing problem with anything I print from the internet, any site. I can read whatever I am printing, but there is a light gray background on the whole page. I saw something similar in the problems already listed in the help section, but the fix in the about:config files did not help; same problem existed. The only thing that fixed it was to uninstall Firefox 4, and reinstall the prior version. I am now using version 3.6.17. I have read the warning when I start Firefox to seriously consider upgrading to version 4, and that the older version won't be supported, but since I can't print from it without wasting considerable ink, and having pages that are unattractive and difficult to use, I don't know what to do. Please help. I want to use the new version, but MUST be able to print clean pages, without a gray background on each one.

I have had a similar problem with my system. I just recently (within a week of this post) built a brand new desktop. I installed Windows 7 64-bit Home and had a clean install, no problems. Using IE downloaded an anti-virus program, and then, because it was the latest version, downloaded and installed Firefox 4.0. As I began to search the internet for other programs to install after about maybe 10-15 minutes my computer crashes. Blank screen (yet monitor was still receiving a signal from computer) and completely frozen (couldn't even change the caps and num lock on keyboard). I thought I perhaps forgot to reboot after an update so I did a manual reboot and it started up fine.
When ever I got on the internet (still using firefox) it would crash after anywhere between 5-15 minutes. Since I've had good experience with FF in the past I thought it must be either the drivers or a hardware problem. So in-between crashes I updated all the drivers. Still had the same problem. Took the computer to a friend who knows more about computers than I do, made sure all the drivers were updated, same problem. We thought that it might be a hardware problem (bad video card, chipset, overheating issues, etc.), but after my friend played around with my computer for a day he found that when he didn't start FF at all it worked fine, even after watching a movie, or going through a playlist on Youtube.
At the time of this posting I'm going to try to uninstall FF 4.0 and download and install FF 3.6.16 which is currently on my laptop and works like a dream. Hopefully that will do the trick, because I love using FF and would hate to have to switch to another browser. Hopefully Mozilla will work out the kinks with FF 4 so I can continue to use it.
I apologize for the lengthy post. Any feedback would be appreciated, but is not necessary. I will try and post back after I try FF 3.16.6.

I have a four year old version of Firefox and it won't let me update to the most recent version. Help.

Current installed version of Firefox is 2.0.0.4 - 2006. I'm trying to upgrade to 3.6.8; while it will download, I don't get a prompt to drag it into the Applications folder. I think my installed version is so old it won't recognize the new one. What do I do to make the new version install?

You have not specified the version of Mac OS X you are using. If you have 10.3.9 or earlier, the last version you can use is Firefox 2.0.0.20 available from ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/2.0.0.20/mac/en-US/
Firefox 3 and above require at least OS X 10.4
If you do have 10.4 or above, see [[Installing Firefox on Mac]]

Firefox 3.6 won't open, it comes up in the task manager and then disappears after about 3 seconds

Firefox 3.6 will not open, I have noticed that it loads in the task manager in windows vista 32 bit, after 3 seconds it then disappears and won't open, I have reinstalled firefox, all this did was to loose all my passwords and bookmarks, I have disabled my anti virus which is kaspersky internet security 2011, firefox still won't open, I have uninstalled various programmes and that does not work and I have loaded my laptop into safe mode and firefox still won't open,
if anyone can help then it will be most appreciated because I am so frustrated, everything I do seems not to work with firefox, yet my other browser which is safari works every time, there was only a problem with firefox 3 days ago, I have been using firefox for over 1 and half years with no problems, I have also have scanned my pc for viruses but this has not solved the problem.

Do any of the possible causes listed at https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit fit?
Your Firefox settings and info are kept in a folder separate from the Firefox program, called your profile folder. Try creating a test profile, to see if the problem still occurs. See [[Managing profiles]]

Firefox 4 downloaded, won't work with my Mac, lost 3.6.10 where can I find this version to download

I was running Firefox 3.6.10 and received an update notice to download the latest version. After download and replacement(of new version) in Applications, I tried to open the new file and got a message that this version won't run on my Mac 10.4.11. I want to download Firefox 3.6.10 but cannot find it on the website. Any suggestions???

Here is the system requirements page: http://www.mozilla.com/en-US/firefox/system-requirements.html.
http://www.mozilla.com/en-US/firefox/all-older has the latest 3.6.x version, and http://www.floodgap.com/software/tenfourfox/ is another option.

Recent update of Firefox now it won't open or start!

Hi, When firefox opened, it updated automatically so I'm not sure what version I have now but after update, it won't open or start again. There's no error message or anything. Just won't open! I download and reinstalled firefox 3.6 over it but it still won't open. Help please!
PS. I found an article here about what to do when firefox opens here: http://www.mozilla.com/en-US/firefox/releases/fix-extensions.html. I went to Profiles folder and change the chrome folder to chrome-backup but still won't open.

Wow, still no help... anyways, firefox works for me now.. I downloaded an older version here: http://www.mozilla.com/en-US/firefox/all-older.html
Firefox 3.5 works.
Finally able to use Firefox but will turn off automatic update from now on!

I downloaded firefox and it won't open

Ookay I downloaded Firefox. The icon appears on my desk top. However, when i click on the icon it won't open.

Try this?
* https://support.mozilla.com/en-US/kb/Firefox%20will%20not%20start

Firefox and Safari won't open

I updated my mac a couple days ago and now nothing works. Safari and Firefox the wheel just spins. Chrome shows me the page then freezes and saids unresponsive. Mail works. Can not open system preferences. Have rebooted 5 or 6 times. Was wondering if I should try and download mountain lion, but not sure I could.

Upgrading to a newer OS X in most instances won't fix a browser issue, combined with the fact you can't open System Preferences, that's an indication that the startup disk needs repairng.
Launch Disk Utility located in HD > Applications > Utillities
Select the startup disk on the left then select the First Aid tab.
Click: Verify Disk (not Verify Disk Permissions)
If DU reports errors, start up from your Mac install disc to make repairs.
Instructions here > Mac OS X 10.6: Reinstalling Mac OS X
If the startup disk appears to be ok, restore OS X from the instructions at that link.
Backup all important data before restoring OS X.

Firefox 4.0 won't opern

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