I cannot get Firefox to install properly on my computer

I have used Firefox for a long time and had no problems. All of a sudden, the browser will not open. After waiting for about 10 minutes, the browser will finally say, "well, this is embarassing..." I uninstalled firefox and then re-installed it and it still doesn't work.

See also:
*http://kb.mozillazine.org/Browser_will_not_start_up
A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls

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Installed, but cannot get Firefox to run. When I try, it crashes. Report contents give adapterdevice id - 0x0a3c and adaptervendorid - 0x10de

Installed, but cannot get Firefox to run. When I try, it crashes. Report contents give adapterdevice id - 0x0a3c and adaptervendorid - 0x10de
Have tried to uninstall and reinstall.

Certain Firefox problems can be solved by performing a ''Clean reinstall''. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
#After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#*'''Mac:''' Delete Firefox from the Applications folder.
#*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory.
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back to see if this helped you!

Cannot get Acrobat to install, Adobe Application Manager is not working!?

How do I get Acrobat to install properly? Each time I try, I get the Adobe Application Manager:
cannot select anything in the upper drop down. and if I click accept….nothing happens!

Hi Shotgun981,
Adding to what Jeff & Sheena shared, have you got any other product installed on this machine? Is that working fine ? Can you please navigate to the below mentioned location and advice if that worked for you or not.
Library/Application Support/Adobe/SLStore
Rename the above mentioned folder to SLStore_old and try and launch Acrobat . If this doesn't work , please make sure that we have full permissions on the folder mentioned in the kb article. (Note: this Kb article is only for sharing the location and the actual problem is not described in it)
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(Note: this Kb article is only for sharing the location and the actual problem is not described in it)
Cheers,
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I have just downloaded firefox 3.6.11 and adobe flashplayer update and adobe reader update. Now I cannot get firefox to open. I have tried removing the program but when I try to do that it says that I need to close firefox - but of course it is not open

I have just downloaded firefox 3.6.11 and adobe flashplayer update and adobe reader update. Now I cannot get firefox to open. I have tried removing Firefox but when I try to do that it says that I need to close firefox - but of course it is not open. I have waited a long time but nothing has happened so I am getting desperate Thanks -- Jerry

Do a clean (re)install:
* Download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data when uninstalling.
* 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.
You can initially skip the step to create a new profile, that may not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I cannot get firefox to download -- a box comes up about firefox being a binary file (?) and do I want to save it or cancel -- I was told to save it, which I did but, after saving, I tried to get it to download again and this same box came back up

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For Flash, could you try downloading the "full" installers from this page:
https://www.adobe.com/products/flashplayer/distribution3.html
In the first table, there are two rows for Windows: one for the ActiveX control for IE, and one for the plugin for Firefox. You might want to grab both. And try the .msi files instead of the .exe files to see whether those work better.
Will either of those install?
It's odd that on a newly rebuilt system your More System Details shows that you have a user.js file, which is an optional settings files used to override your previous session settings. This is not part of the standard Firefox installation, so if you did not create that file yourself, you may want to investigate or delete it. This article has more information on that: [[How to fix preferences that won't save]].

I cannot get Firefox to maximize from the toolbar after the update.

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I will also add that I have a laptop running windows 8 that got through the update with no issues. I just checked and firefox updated to the latest version and works fine.

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HT4623 when iOS7 was installed all apps purchased disappeared; now when I go to app store I can open app, but cannot get app to install onto the screen; How can this be accomplished?

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I cannot get firefox to launch

I cannot get firefox to launch. I have tried to uninstall and reinstall without luck. Yesterday I did notice that my menu bar was missing and tried to reinstall a Google toolbar, but, had to close the computer before it was finished. Not sure if the two are related.
HELP PLEASE :-)

This article should help - https://support.mozilla.com/kb/Firefox+will+not+start

I cannot get firefox to open, could security setting interfer? I use AVG

On Wednesday 9/28 Comcast changed my modem and now I cannot get Firefox to open, when I click my mouse on the icon I get a brief hourglass and that quickly goes away and Firefox doesn't open.

The extension(s) that AVG installs can certainly be a problem, disable "AVG Safe" for a temporary solution, but it is better to reinstall AVG without the Link Scanner component, and as always be vigilant in rejecting additional crapware, please review all of the following but particularly information concerning "AVG Safe".
* http://kb.mozillazine.org/Problematic_extensions

I cannot get Firefox as my homepage, it's covered by Xfinity. Please help.

''duplicate - locking - https://support.mozilla.com/en-US/questions/835447''
When Adobe updated it shut my computer down. When it restarted Firefox was not available. I uninstalled Firefox and reinstalled it but still cannot get Firefox, still nothing but Xfinity.
How do I get Firefox back as my homepage?

Xfinity made itself your Firefox Start Page? You can change that. Check out the tips in this article: [https://support.mozilla.com/en-US/kb/How%20to%20set%20the%20home%20page How to set the home page | How to | Firefox Help].
If that doesn't stick, it's possible you have an Xfinity add-on. You could check here and disable it if you find one:
orange Firefox button ''or'' Tools menu > Add-ons
On the left side, click Extensions
Any luck?

I had to change a password stored in Firefox, and now I cannot get Firefox to remember a new password.

As stated, I was required to change a password, yet the old password still appeared in the field, so I went into settings and deleted the old one, but now I cannot get Firefox to save the new password. And yes, I have wasted a lot of time attempting the "solutions" on the help sites, but nothing has worked. Thank you for any help.

Make sure that you do not run Firefox in (permanent) Private Browsing mode (Never remember history).
*https://support.mozilla.org/kb/Private+Browsing
The website may be using autocomplete=off to prevent Firefox from saving form data like name and password.
You can remove autocomplete=off with a bookmarklet to make Firefox store form data like names and passwords.
*http://kb.mozillazine.org/User_name_and_password_not_remembered
Note that Firefox won't auto-fill saved form data automatically when autocomplete=off is used, so you need to double-click the empty name field to get a drop-down list.

TS1545 I have downloaded 10.5.8 combo several times and cannot get it to install because the disc won't mount or the installation gets hung up after restart. My current os is 10.5.1, and I am trying to upgrade to snow leopard. This is on a dual core macbo

I have downloaded 10.5.8 combo several times and cannot get it to install because the disc won't mount or the installation gets hung up after restart. My current os is 10.5.1, and I am trying to upgrade to snow leopard. This is on a dual core macbook pro.

You don't need to update to Leopard 10.5.8 unless you want to keep Leopard. Upgrading to Snow Leopard requires that your purchase the retail install disk.
The following covers Leopard:
Some general advice on updating:
It is worth noting that it is an extreme rarity for updates to cause upsets to your system, as they have all been extensively beta-tested, but they may well reveal pre-existing ones, particularly those of which you may have been unaware. If you are actually aware of any glitches, make sure they are fixed before proceeding further.
So before you do anything else:
If you can, make a full backup first to an external hard disk. Ideally you should always have a bootable clone of your system that enables you to revert to the previous pre-update state.
Turn off sleep mode for both screen and hard disk.
Disconnect all peripherals except your keyboard and mouse.
1. Repair Permissions (in Disk Utility)
2. Verify the state of your hard disk using Disk Utility. If any faults are reported, restart from your install disk (holding down the C key), go to Disk Utility, and repair your startup disk. Restart again to get back to your startup disk.
At least you can now be reasonably certain that your system does not contain any obvious faults that might cause an update/upgrade to fail.
3. Download the correct version of the COMBO update from the Apple download site.
The Combo updater of Leopard 10.5.8 can be found here:
http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update
If you prefer to download updates via Software Update in the Apple menu (which would ensure that the correct version for your Mac was being downloaded), it is not recommended to allow SU to install major (or even minor) updates automatically. Set Software Update to just download the updater without immediately installing it. There is always the possibility that the combined download and install (which can be a lengthy process) might be interrupted by a power outage or your cat walking across the keyboard, and an interrupted install will almost certainly cause havoc. Once it is downloaded, you can install at a time that suits you. You should make a backup copy of the updater on a CD in case you ever need a reinstall.
Full details about the 10.5.8 update here: http://support.apple.com/kb/HT3606
More information on using Software Updater here:
http://support.apple.com/kb/TA24901?viewlocale=en_US
Using the Combo updater ensures that all system files changed since the original 10.5.0 are included, and any that may have been missed out or subsequently damaged will be repaired. The Delta updater, although a temptingly smaller download, only takes you from the previous version to the new one, i.e. for example from 10.5.7 to 10.5.8. Software Update will generally download the Delta updater only. The preferable Combo updater needs to be downloaded from Apple's download site.
Now proceed as follows:
4. Close all applications and turn off energy saving and screensaver.
5. Unplug all peripherals except your keyboard and mouse.
6. Install the update/upgrade. Do not under any circumstances interrupt this procedure. Do not do anything else on your computer while it is installing. Be patient.
7. When it ask for a restart to complete the installation, click restart. This can take longer than normal, there are probably thousands of files to overwrite and place in the correct location. Do nothing while this is going on.
8. Once your Mac is awake, repair permissions again, and you should be good to go!
If your Mac seems slightly sluggish or ‘different’, perform a second restart. It can’t hurt and is sometimes efficacious! In fact a second restart can be recommended.
9. Open a few of your most used applications and check that all is OK. In this connection please remember that not all manufacturers of third party applications and plug-ins, add-ons, haxies etc, will have had time to do any necessary rewrites to their software to make them compliant with the latest version of your operating system. Give them a week or two while you regularly check their websites for updates.
N.B. Do not attempt to install two different updates at the same time as each may have different routines and requirements. Follow the above recommendations for each update in turn.
Lastly, Apple's own article on the subject of Software Update may also be useful reading:
http://docs.info.apple.com/article.html?artnum=106695
[b]If you are updating Safari (or just have):[/b]
Input Managers from third parties can do as much harm as good. They use a security loophole to reach right into your applications' code and change that code as the application starts up. If you have installed an OS update and Safari is crashing, the very [i]first[/i] thing to do is clear out your InputManagers folders (both in your own Library and in the top-level /Library), log out and log back in, and try again.
So, disable all third party add-ons before updating Safari, as they may not have been updated yet for the new version. Add them back one by one. If something goes awry, remove it again and check on the software manufacturer's website for news of an update to match your version of Safari.
Most errors reported here after an update are due to an unrepaired or undetected inherent fault in the system, and/or a third party add-on.
Additional tips on software installation here:
http://docs.info.apple.com/article.html?artnum=106692
To reiterate, Input Managers reach right into an application and alter its code. This puts the behavior of the affected application outside the control and responsibility of its developers: a recipe for problems. That's not to say that issues absolutely will ensue as a result of Input Managers, but you, as a user, must decide. If the functionality of a specific Input Manager or set thereof is really important to you, you may well choose to assume the associated risk.
Again, the advice is to remove all Input Managers from the following directories:
/Library/InputManagers
~/Library/InputManagers
especially prior to system updates (they can always be added back one-by-one later).
Solutions for troubleshooting installation, startup, and login issues in Mac OS X v10.5
http://support.apple.com/kb/TS1541?viewlocale=en_US

After upgrade to IOS 5, cannot get photos from camera roll to my computer, Why?

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I could find an external driver to get photos before.
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Try disabling Norton and syning. If that doesn't help try uninstalling iTunes and all of its components by following this guide: Windows XP or Windows Vista/7, then reinstall iTunes. You must follow this guide exactly or it will not be successful. Note: uninstalling iTunes will only remove the application; it will not touch your iTunes library or data.
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Cannot get network to work properly on fresh install

I just got myself a new lenovo laptop and naturally wanted to instakll arch on it immediately.
The network I am on requires me to register the MAC address of the machine before I can access anything more than our intranet. Since this is done via a website, that is obviously difficult to do with arch, so I ran a mandriva livecd first to register it.
Quirk number one: I set up a new partition table and installed arch with grub. somehow one of these things actually changed my MAC address because I needed to reregister it and I could tell there it was a new one registered.
However, booting into arch again and I still can't get it to work properly. pinging our intranet address works fine, but I can't get to the www and so cannot install any new packages.
I've installed mandriva on a separate partition and here it all works fine. So the problem seems to be with Arch. My uneducated guess is that it somehow registers as having a different MAC address in arch, which of course creates a bit of a catch-22 because I can't install the packages needed to go to our intranet website and fix it (I should note - once I re-registered my mac address after creating a new partition table, I could complete a net-install of arch. but no internet access having booted into it).
Anyone know how I can fix this?

tuxce wrote:actually, mac address doesn't change from one distribution to another
but you can check your mac address by using "ifconfig"
also verify if dns (/etc/resolv.conf) and route are well defined
resolv.conf has
# Generated by dhcpcd for interface eth0
search rhk.dk
nameserver 172.20.0.42
nameserver 195.184.96.2
rhk.dk is our intranet. I don't know if those numbers mean anything's out of place.

I cannot get Firefox to install properly on my computer

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