Mozilla will not install

Mozilla will not down load. World's Best Browser screen dosen't fully load to give me the best version of Mozilla to install on my computer.
== Operating system ==
Windows XP

Hello mark115, try to disable your security software (anti-virus/firewall/antispyware) temporarily to see if that allows to install Firefox.
otherwise try to boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that help you (If works in Windows Safe mode then you have a problem with other software, like security software[antivirus, firewall] or a system driver, that is running on your computer).
thank you

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Mozilla will not install on my system

Vista system, and I meet all H/W requirements. I get to the "Firefox Setup 19.0.2" file, hit run, looks like it is running, and then...nothing. No Setup Wizard ever comes up, and Mozilla is not installed on the system. I have tried "run" from
the Mozilla setup file on disk, and nothing happens. I have never had this problem with any other browser download (I have MS and Chrome installed, with Chrome as default). Thanks for any help you can provide.

Hello mark115, try to disable your security software (anti-virus/firewall/antispyware) temporarily to see if that allows to install Firefox.
otherwise try to boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that help you (If works in Windows Safe mode then you have a problem with other software, like security software[antivirus, firewall] or a system driver, that is running on your computer).
thank you

Latest Update will not install

The latest update of Itunes will not install. When I go to install, I get the message that the installer encountered errors before Itunes could be configured.
I have tried everything at http://support.apple.com/kb/HT1926 and non of these have helped.
Can someone advise, please.

Hello rjohnson
If there is an issue with update or permissions the better, quickest and safest way is to download and install firefox:
1. Download a copy of the latest firefox from http://www.mozilla.org/en-US/firefox/all.html
2. '''''Trash''''' the current Firefox application to do a clean install.
3. Install the version that you have downloaded.
Do not select to remove your personal data, your profile data is stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder], so you won't lose your bookmarks or other personal data.
see also: [https://support.mozilla.org/en-US/kb/install-firefox-mac?redirectlocale=en-US&redirectslug=Installing+Firefox+on+Mac Installing Firefox on Mac]
thank you
Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

Update to v. 3.6.4 will not install

I have v 3.6.3 The update to v 3.6.4 will not install. Just keep getting failed message. no other instances of firefox are running.
== This happened ==
Every time Firefox opened
== Update 6.3.4 downloaded

See http://kb.mozillazine.org/Software_Update (Software Update not working properly)
Remove the files in the ''updates'' and ''updates\0'' folder:
XP:
C:\Documents and Settings\<user>\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox\updates
%USERPROFILE%\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox\updates
C:\Program Files\Mozilla Firefox\updates
Vista/Windows7:
C:\Users\<user>\AppData\Local\Mozilla\Firefox\Mozilla Firefox\updates
%LOCALAPPDATA%\Mozilla\Firefox\Mozilla Firefox\updates
C:\Users\<user>\AppData\Local\VirtualStore\Program Files\Mozilla Firefox\updates
Do a clean reinstall and 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 running 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.
You can skip the step to create a new profile, that is not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Why can I not install adobe flash, I get a message saying it will not install while firefox is runing

When I try to download adobe flash player everything goes fine and the download finishes. When asked to install I get a message that says it will not install while an application is running. Which is Mozilla Firefox

Adobe Shockwave Flash needs to install plugins for Firefox, and Flash needs to do that with Firefox closed. So close Firefox and run the Flash installer.

I can download yosemite but then it will not install? I am stuck with the icon on the dock with the downward arrow in it but when I double click on it or try to open it nothing happens. Thanks.

I can download yosemite but then it will not install? I am stuck with the icon on the dock with the downward arrow in it but when I double click on it or try to open it nothing happens. Thanks.

This is a DUPLICATE request.
:See response in https://support.mozilla.com/questions/893523#answer-271175

My StartCom certification allows software makers, but AdBlock Plus will not install on OSX 10.4.11. 'Signing could not be verified -260'

Every attempt fails to install AdBlock Plus on OSX 10.4.11, producing only the "Signing could not be verified -260" message. Following instructions in a previous post about this, I looked at the “StartCom Certification Authority” and found it already checked to identify software makers. I have no idea how to either find or update the "nss" package. [Network Services Suite?] Can you tell me specifically where to look and how to do that? What else may help to solve the problem? If AdBlock Plus still will not install, what's the next-best product that includes turning off the intrusive google connection requests? How soon will you update Firefox itself with a simple toggle switch to turn that on and off?
== Every installation attempt fails.

See https://adblockplus.org/en/known-issues#signing - the most obvious suspicion is that your Adblock Plus download has been manipulated (which is exactly what signing is supposed to prevent). It might be some application installed on your computer - or maybe you are simply installing from a third-party site rather than addons.mozilla.org.

Updater will not install updates from Firefox

Windows XP, click on Help, About Firefox, Check for updates. They download. Then I click on Apply update. A window appears saying "updater.exe has encountered a problem and needs to close." Then I may choose whether to send the error report.
There has been no update. It will not install.
Why does this happen? The only way I can get updates from Firefox is to go to Mozilla.com and download.
I tried the troubleshooting tips in Firefox Help and nothing worked.

I should have explained that this has been going on for a long time. When I first installed Firefox several years ago their updates installed fine.
Then they no longer would install, starting in July 2007 when they downloaded Firefox 2.0.0.4. After they installed that, Firefox would not even open, and I got an error message. I had to uninstall and reinstall.
I figured out over time that I would have to go to their website and download the updates myself, each time they announced that an update needed to be installed. It would then install fine. And Firefox would open as it should. This has been the case for a long time.
So it does work out doing it this way. It is something of a nuisance, and it would be nice if the updates worked smoothly and automatically, as they used to.
I thought this might be some problem others users have had and would know how to fix it.
Thank you.

Google toolbar will not install in firefox 3.6.25

google toolbar will not install in my firefox 3.6.25. it will not download. but, google toolbar version 7.1.20110512w is an extension in my firefox browser.
i'm looking for suggestions about fixes or workarounds for this issue.
thanks!

I had this same issue. Then I created a new firefox profile and installed the google toolbar again over this new profile, and the problem was solved.
I followed this guide.
http://support.mozilla.com/en-US/kb/Managing%20profiles

OS download successful but will not install

Help io6 download successful but it will not install.

The "stub installer" may not work when IE isn't working.
Did you download the full "off-line" installation package from here?
https://www.mozilla.com/en-US/firefox/all.html

Firefox will not install addons

After getting a new computer and installing Firefox 12 on it, Firefox will not install addons. The only way that I can get it to install anything is by downloading the .xpi file and manually installing it. Unfortunately, I cannot download the .xpi file to one of the addons that I need to do my work, so this is a problem. Does anyone have any suggestions?

Try to disable hardware acceleration.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
*https://support.mozilla.org/kb/Unable+to+install+add-ons
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.org/kb/Basic+Troubleshooting#w_8-make-a-new-profile
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Feedly Extension Will Not Install. Solutions?

Apparently some aren't having any issues with the extension installing (see the dates of the reviews on the extension page) but I am. It installed perfectly fine on Firefox 21 previously (more issues with this later though). Now in FF 22 it no longer installs.
What happens is regardless of method (either installing directly from the extension page or from the add ons console built into FF) the extension will not install. I download the extension, it prompts me to restart. I do so, only to come back with the inability to even locate the button for the extension. It is listed as installed in my extensions overview BUT I can still click the install button on the Feedly extension page (https://addons.mozilla.org/en-us/firefox/addon/feedly/). Afterward it "installs" again but with the same problem as before.
I even went back to FF 21 to see if it would work again but it was to no avail now I'm really confused.
No matter how many times I try (complete removal / reinstallation of FF didn't help) the extension just will not install. Is this fixable?

Thanks, I haven't thought to try older versions (why I don't know, silly me). For whatever reason 16.0.500 works fine but 16.0.528 won't install properly.
Well either way I've got the extension installed and updated, really appreciate the help even though you fixed it inadvertently ;)

Firefox 37.0.2 will not install

Task manager shows that 7z Setup SFX (32 bit) is running in the background, but the application will not install.

Try this:
*Download the Firefox installer and save the file to the desktop<br>https://www.mozilla.org/en-US/firefox/all/
*Start the installation with a double-click on the desktop icon
You may have to disable your security software temporarily or boot the computer in Windows Safe Mode with network support (press F8 on the boot screen)if you keep having problems.
*http://www.bleepingcomputer.com/tutorials/how-to-start-windows-in-safe-mode/

I am trying to use an education program that needs Java applets to install and use and it will not use Safari. When I download IE from the web it will not install. How can I get a browser that will work on my MacAir for travel use of this program?

I am trying to use and education program that needs Java applets and it will not run on Safari. IE will not install from the web. How do I get a browser that will work to install so I can use this program when I travel.

Try using FireFox. IE will only run on a Mac if you run Windows on the Mac.
Windows on Intel Macs
There are presently several alternatives for running Windows on Intel Macs.
Install the Apple Boot Camp software. Purchase Windows 7 or Windows 8. Follow instructions in the Boot Camp documentation on installation of Boot Camp, creating Driver CD, and installing Windows. Boot Camp enables you to boot the computer into OS X or Windows.
Parallels Desktop for Mac and Windows XP, Vista Business, Vista Ultimate, or Windows 7. Parallels is software virtualization that enables running Windows concurrently with OS X.
VM Fusion and Windows XP, Vista Business, Vista Ultimate, or Windows 7. VM Fusion is software virtualization that enables running Windows concurrently with OS X.
CrossOver which enables running many Windows applications without having to install Windows. The Windows applications can run concurrently with OS X.
VirtualBox is a new Open Source freeware virtual machine such as VM Fusion and Parallels that was developed by Solaris. It is not as fully developed for the Mac as Parallels and VM Fusion.
Note that Parallels and VM Fusion can also run other operating systems such as Linux, Unix, OS/2, Solaris, etc. There are performance differences between dual-boot systems and virtualization. The latter tend to be a little slower (not much) and do not provide the video performance of the dual-boot system. See MacTech.com's Virtualization Benchmarking for comparisons of Boot Camp, Parallels, and VM Fusion. A more recent comparison of Parallels, VM Fusion, and Virtual Box is found at Virtualization Benchmarks- Parallels 10 vs. Fusion 7 vs. VirtualBox. Boot Camp is only available with Leopard and later. Except for Crossover and a couple of similar alternatives like DarWine you must have a valid installer disc for Windows.
You must also have an internal optical drive for installing Windows. Windows cannot be installed from an external optical drive.

I am having a issue installing Adobe Acrobat XI. I am running Windows 8.1. When go to install it gets an error. The error is with transform in registry and will not install product. I am looking at how I can fix this registry problem.

I am having a issue installing Adobe Acrobat XI. I am running Windows 8.1. When go to install it gets an error. The error is with transform in registry and will not install product. I am looking at how I can fix this registry problem.
I have tried to uninstall all Abode Acrobat installations but one file remains and refuses to be uninstalled. It gives me this error : Error applying Transforms . Verify that specified paths are valid. It was installed on Sept 18 2014. I have downloaded a Transform update but it tells I do not have a Adobe Acrobat product installed.

Hi all,
Sylonious, did you manage to sort this problem out? I have been experiencing similar problems. I think my problem was because I had many different versions of JDKs. I have done a complete re-install. I would be really grateful to you (and anyone else) for help with this problem.
I have re-installed JSDK1.4.2_03, set the "path" variable to "C:\JSDK1.4.2_03".
When I compile using "javac" I get an error saying "javac" is not recognised.
When I compile using "C:\j2sdk1.4.2_03\bin\javac Freq.java" no error is thrown.
Every time I try to run a java file, I always get the NoClassDefFound error. When run with the -verbose option, files are loaded from C:\Program Files\Java\j2re1.4.2_03\bin - is this correct?
I have removed all previous references to java in the registry editor.
Please help !
Regards,
Vipul

Mozilla will not install

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