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Mozilla FAQ:

Installation:    Last updated January 20th, 2006
  1. Will I be able to keep my current Mozilla data and settings, i.e. my Mozilla profile when updating to the Seamonkey Suite (the Mozilla Suite's successor)?

  2. I want to install Mozilla (Suite / Thunderbird / Firefox) on all PCs / workstations in my organization. Are there resources / tools that can help with making this easier?

  3. Is there a list that shows all available Mozilla versions for the different operating systems (like e.g. Mac OS 8)?

  4. Does Mozilla run on Windows 95 and if so, which files do I need?

  5. Can I install the Mozilla Suite, Firefox and Thunderbird on the same computer?

  6. When trying to install Mozilla, I get the error message "mozilla-win32-1.7.1-installer.exe is not a valid win32 application". Why won't it install?

  7. What are all the components that I can install with Mozilla?

  8. Can I install Mozilla and Netscape 6 or 7 on the same computer?

  9. What is the Turbo mode?

  10. Do necessary plugins such as Java come with Mozilla?

  11. Mozilla wants to convert my Netscape 4 profile. Can I still use it with Netscape 4 afterwards?

  12. I installed a newer version of Mozilla and now it crashes when I use my old profile. How come?

  13. How do I uninstall Mozilla?


  1. Will I be able to keep my current Mozilla data and settings, i.e. my Mozilla profile when updating to the Seamonkey Suite (the Mozilla Suite's successor)?
    Yes, you can. You will need to uninstall the Mozilla Suite first. After installing the Seamonkey Suite, it will recognize and use your existing Mozilla profile.
    Please note: Since the Seamonkey Suite is based on newer code than the Mozilla Suite, it may not support extensions and third-party themes you used with the Mozilla Suite, so I would recommend uninstalling them before removing the Mozilla Suite. I would also recommend making a backup copy of your profile first. 

     
  2. I want to install Mozilla (Suite / Thunderbird / Firefox) on all PCs / workstations in my organization. Are there resources / tools that can help with making this easier?
    Yes, there are. The following tools or resources can help make the mass deployment of Mozilla across large organizations lile e.g. company offices or schools easier:
    - mozptch. Mozptch is a utility for automatic customization, configuration and personalization of Mozilla (Thunderbird / Firefox) installations. It runs under Windows and Linux and it can help system administrators who have to administrate a large number of mozilla installations. Mozptch can configure the Mozilla Suite, Firefox and Thunderbird.
    - Automated deployment of Firefox with extensions, themes, and pre-configuration. This guide will show you how to build and deploy custom Firefox configurations for your business, school, or home networks. In addition, this page offers tools that help with this process.
    - Customizing Mozilla for a multi-user environment. "These pages describes how to customize mozilla for multi-user community. In the scenario described described, several client workstations running Windows access a Linux Samba server, on which the user's home directories are stored (under drive H:). Our goal is to make it possible to automatically generate a Mozilla configuration on the server for each user as soon as he is created. Moreover, we want to lock certain settings, so that users cannot change them."

     
  3. Is there a list that shows all available Mozilla versions for the different operating systems (like e.g. Mac OS 8)?
    Yes, there is. You can find it here at Andrew Turnbull's Mozilla Network. 
     
  4. Does Mozilla run on Windows 95 and if so, which files do I need?
    Reportedly, it does. However, you may need to update several system files to their latest version. You can find a very good description what you need to do in order to have Mozilla running trouble-free using Windows 95 here: Bugzilla: Save the poor Windows 95 users.
     
  5. When trying to install Mozilla, I get the error message "mozilla-win32-1.7.1-installer.exe is not a valid win32 application". Why won't it install?
    The error message you are seeing indicates that the file was either not downloaded completely or corrupted during the download. It may also be possible that you downloaded an installer for a different operating system, but if the file name includes "win32" and ends with ".exe" you have selected the right file.
    Try downloading Mozilla again. It should work now. If it doesn't, try using both a different server and a different destination directory on your PC. You can find a list of Mozilla mirrors here:
    Mozilla Mirrors at Mozilla.org. 

     
  6. What are all the components that I can install with Mozilla?
    Mozilla lets you select the following components, when you chose "Custom Install":
    - Navigator: This is Mozilla's Browser component and hence not an option.
    - Mail & Newsgroups: It does just what the name says. If you only want to use Mozilla as a browser, then you can uncheck this option.
    - Personal Security Manager: PSM handles settting up SSL (secure) connections and certificate management amongst other things. I strongly recommend you install it as it is needed for secure sites (https:). For more information, click here.
    - Chatzilla: This is an IRC (Internet Relay Chat) client. For more information, click here, or you can view the user's guide here.
    - Debugger: The Debugger is also known as "Venkman". It is a Javascript debugging environment. For more information, click here.
    - Inspector: "DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. "If you don't know what that means (like me ;-), uncheck the option for Inspector.
    - Quality Feedback Agent: It sends crash data. While you might not benefit directly from it, I would suggest you install it because it helps the people involved in coding Mozilla identify crash bugs. This information is then used to improve Mozilla, so you will benefit from the Quality Feedback Agent through improved Mozilla releases.

     
  7. Can I install the Mozilla Suite, Firefox and Thunderbird on the same computer?
    Yes, you can. All three programs work fine alongside each other. In addition, you can even run all three at the same time since they all use different profiles. When installing Firefox and Thunderbird, you can even import your existing Mozilla Suite settings and profile.
     
  8. Can I install Mozilla and Netscape 6 or 7 on the same computer?
    While you can do that, it could potentially lead to problems. Mozilla and Netscape 6 & 7 share many files, especially profiles. Since Netscape 6.2.3 (Mozilla 0.9.4.1) or Netscape 7 (Mozilla 1.0.1) will most likely be based on a different Mozilla release than the Mozilla version you are using, you are advised to create a specific profile for each application. You could e.g. create a profile called "Netscape" for exclusive use with Netscape 6 or 7 and one called "Mozilla" for use with Mozilla. Sharing the same profile between an older commercial release product and newer made-for-testing sofware may cause problems for that profile (see question 6) which could lead to loss of data including email or bookmarks. You should, however, be fine using separate profiles.
     
  9. What is the Turbo mode?
    Mozilla's Turbo Mode, aka "Quick Launch" greatly speeds up the Browser's launch. It will pre-load parts of Mozilla when you boot Windows. This is very similar to what IE does, which is btw the reason for IE's fast launch time on Windows platforms. The advantage of Mozilla is that you can actually turn off quick launch.
    So should you select Turbo Mode? As always, it depends. If you plan on using Mozilla as your primary browser and your system is equipped with an adequate amount of memory (I would recommend at least 128 MB), then Turbo Mode is for you. After booting Windows, a Mozilla icon will appear in your system tray. Right click on the icon and you can directly access Navigator, Mail & Newsgroups, Composer and your address book. Other options are disabling Quick Launch and exiting Mozilla. The latter option is only available if there are no open browser windows.
    If, however, you do not plan on using Mozilla as your primary browser, or you have an older PC, then there is no reason for you to waste resources by having Mozilla reside in your system's memory after booting. Simply uncheck the Turbo Mode box. If you change your mind later on, you can always enable Turbo Mode by selecting "Edit" - "Preferences" - "Advanced" and then checking "Enable Quick Launch".

     
  10. Do necessary plugins such as Java come with Mozilla?
    No. While Mozilla usually looks for plugins in your Netscape 4 plugin directory when it is installed, Mozilla - unlike its commercial cousins Netscape 6 and 7 - does not come with any additional plugins. If you already have Netscape 4 installed on your system, then Mozilla will use a lot of its plugins (like Quicktime, Real Player, Flash...). If you do not have Netscape 4, then Mozilla will have no plugins. For more information on plugins, please see the Plugins FAQ or go to the Mozilla plugin page.
     
  11. Mozilla wants to convert my Netscape 4 profile. Can I still use it with Netscape 4 afterwards?
    Yes, you can. Mozilla will not alter your original Netscape 4 profile in any way. What it does is converting a copy of your Netscape 4 profile, so you needn't worry.
     
  12. I installed a newer version of Mozilla and now it crashes when I use my old profile. How come?
    The most likely reason is that you installed a current build on top of an older build. Do not do this. Completely remove the old build direcory or install beside it but do not install on top of it. The second most likely reason you're crashing is a corrupted file in your profile. To work around this simply run mozilla -ProfileManager and create a new profile. If you're really industrius (and why else would you be using a Mozilla build?) you can investigate which file in the profile directory is causing the problem and at the same time rescue all of the other user data. To do this simply close the browser and one at a time rename or move the files in your profile directory starting Mozilla in between each rename. When you find the file which, when renamed, allows Mozilla to start normally then you have found the corrupted file. Please file a bug in Bugzilla and attach that corrupted file with a brief description of your problem and troubleshooting. Another possible reason for this is that you manually edited Mozilla's preferences in the "prefs.js" file. The syntax of some of the preferences has changed when newer versions of Mozilla were released, so some of your modified preferences may not be compatible with the newer Mozilla release you installed.


  13. How do I uninstall Mozilla?
    You can find uninstall instructions for several operating systems here

    Please note that these instructions - with the exception of the Windows instructions, which are just for removing the program itself - are for completely removing Mozilla, i.e. if you follow them fully you will also delete your profile which contains your email, settings, bookmarks, address books and more.

     



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