How can I download an old version - e.g. FF3.5-6 - as FF4 is too buggy

I have spent too many hours trying to get FF4 to work but .pdf files still won't open, Flash files won't play, option to save all tabs on close cannot be found: hanging and restarting in safe mode has become a common part of my work day and I can't afford the time.
I would like to reinstall the old version but cannot find any links...
OS: Windows 7

Latest Firefox 3.6.x can be found here:
* http://www.mozilla.com/en-US/firefox/all-older.html
It would be best to remove some files in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] to prevent problems with downgrading now or upgrading in the future.
Remove at least all the extensions.* files (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and the files pref.js and localstore.rdf and compatibility.ini.<br />
You may have to show hidden files and folders to see the .ini and .js file extension.<br />
This will reset all preferences (options) and the toolbar customization, so you will have to redo those settings.
If you do not need to preserve the history then you can delete places.sqlite as well to rebuild the bookmarks.<br />
See http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
Some hints about Firefox 4:
You can set the warn prefs on the [http://kb.mozillazine.org/about%3Aconfig about:config] page to true via the right-click context menu or toggle with a double left-click.
* browser.showQuitWarning, see http://blog.zpao.com/post/3174360617/about-that-quit-dialog
* browser.tabs.warnOnClose, see http://kb.mozillazine.org/About%3Aconfig_entries
* browser.warnOnQuit , see http://kb.mozillazine.org/browser.warnOnQuit
* browser.warnOnRestart , see http://kb.mozillazine.org/browser.warnOnRestart
You can use Firefox > History > Restore Previous Session to get back the previous session.
There is also a "Restore Previous Session" button on the default about:home Home page.
Another possibility is to use:
*Tools > Options > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

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How can I download an old version of Flash?

The newest version of Flash broke my billing system back
office. The developers of this billing system are based overseas
and are extremely unreliable so I cannot depend on them to fix this
in a timely manner. It could be 2 days or 2 months. I just don't
know.
In other words, the newest version of flash broke the program
I need to do my job. I need to rollback to a previous version as
soon as possible.
I found a file on this forum called "fp9_archive.zip" which
contains old versions of flash. However, everytime I try to install
any version besides 9r124. I get this error:
"MessageBox: 12582960,"The version of Adobe® Flash®
Player ActiveX that you are trying to install is not the most
current version.
Please visit
http://www.adobe.com/go/getflashplayer
to obtain the latest, most secure version."
Please help me! I am not a developer or an IT guy. I am just
an accountant who foolishly clicked "update flash" when I was
spammed to update it. Now I am banging my head against the wall
because there are no clear and concise directions on how to roll it
back.

Jason,
I am no expert but I was looking to solve a problem I have
and I ran accross information that may help you.
How to get previous versions of Flash Player (Note: Adobe
supports and recommends the latest Flash Player.)
If you are a Flash developer and require a previous version
of Flash Player for testing detection schemes, refer to "Archived
Flash Players available for testing purposes" (
TechNote
tn_14266).
Adobe has made these archived players available for download
at the request of the Flash developer community. Adobe Technical
Support does not provide support for the installation or use of
these old players. These are not intended for general use.
The following may help you solve your problem.
Error while installing older version: The version of Adobe Flash
Player ActiveX that you are trying to install is not the most
current version
If you previously installed a later version of Flash Player
for Internet Explorer, you may be prevented from installing an
earlier version. For example, if you installed Flash Player
9,0,115,0, and attempted to install version 9,0,47,0 the
installation would fail. In this case follow the instructions in
"Safe versions security restrictions when installing Flash Player"
TechNote
kb402435).
Here is more information I found about unistalling that may help
you.
But I would try TechNote kb402435 above first because it
looks like it is directly related to your problem.
Uninstall all previous versions.
Before you install Flash Player for any Windows browser,
uninstall all previous versions. For instructions on removing the
player, please see "How to uninstall the Adobe Flash Player plug-in
and ActiveX control" (
TechNote
14157).
Note: All applications must be closed before you run the
Flash Player uninstaller. Quit all running applications, including
all Internet Explorer or other browser windows, and all Instant
Messenger clients. Check the Windows system tray carefully to make
certain no applications which might possibly use Flash Player are
still in memory.
Good luck.
Regards,
Bob

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