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--------------------------------------------------------------------------
README for Microsoft Internet Explorer 4.0
For Microsoft Windows 3.1/ Windows NT 3.51
December 1997
--------------------------------------------------------------------------
(c) Copyright Microsoft Corporation, 1997
------------------------
HOW TO USE THIS DOCUMENT
------------------------
To view Readme.txt on screen in Notepad, maximize the Notepad window.
To print Readme.txt, open it in Notepad or another word processor,
and then use the Print command on the File menu.
--------
CONTENTS
--------
SYSTEM REQUIREMENTS
INSTALLING INTERNET EXPLORER 4.0
UPGRADING FROM EARLIER VERSIONS
Upgrading from Preview Release 2
Upgrading from Version 2.1
Settings Not Retained from Version 3.x
Upgrading from Custom 3.01 to Custom 4.0 Installation
USING INTERNET EXPLORER 4.0
Improved Mail Support
Changing Initialization Settings for Modems
Using the Dialer
Installation with Existing TCP/IP Connections and ISP Accounts
How to Use Multiple Winsock
Internet Explorer Settings
Using Third-Party Telnet Helper Applications
Uninstall
Features Not Available in This Release
Settings for Java
Known Issues with Java on Windows 3.1
Technical Support
KNOWN ISSUES AND BUGS
-------------------
SYSTEM REQUIREMENTS
-------------------
This version is intended for users of Microsoft(R) Windows(R) version
3.1/3.11, Windows for Workgroups 3.1/3.11, and Windows NT(R) 3.51.
If you are using Microsoft Windows 95 or Windows NT 4.0, you can
download a version optimized for these platforms at:
http://www.microsoft.com/ie/default.asp
Caution
* Do not install this version of Internet Explorer 4.0 on a computer
running Windows 95 or Windows NT 4.0 that has the Win32 version of
Internet Explorer 4.0 installed. The two versions of Internet
Explorer cannot coexist.
Because this version is a 16-bit program, you do not need to have Win32s(R)
installed on your computer.
In order to use this release, you will need:
- 486 processor
- 12 MB RAM recommended; 16 MB strongly recommended if you are viewing
pages with Java applets.
To install all components, you need approximately 74 MB hard-disk
space during installation and 62 after installation.
To install the browser only, you need approximately 34 MB hard-disk
space during installation and 25 after installation.
- Microsoft Windows 3.1 or 3.11, Microsoft Windows for Workgroups 3.1
or 3.11, or Windows NT 3.51 (Service Pack 4 is required if you want to run
Java applets)
- A VGA monitor or better
- A mouse
- A 9600 BPS modem or a LAN connection
Note
* The "files=" setting in the Config.sys file must be set to greater
than 50.
--------------------------------
INSTALLING INTERNET EXPLORER 4.0
--------------------------------
Internet Explorer 4.0 supports Active Setup. The setup process is very
simple. You can install Internet Explorer from a browser or download it
and then run the Setup program.
When you install Internet Explorer 4.0, it downloads the files into a
directory called IE4SETUP. Later, you can run the Setup program from this
directory to install Internet Explorer again.
Caution
* Do not install this version of Internet Explorer 4.0 on a computer
running Windows 95 or Windows NT 4.0 that has the Win32 version of
Internet Explorer 4.0 installed. The two versions of Internet Explorer
cannot coexist.
If you have problems installing any add-ons to Internet Explorer, try
uninstalling and then reinstalling Internet Explorer. You can also try
deleting all files (except for Setup.exe) in the IE4setup directory
(or whatever directory you downloaded the .cab files to) and then
running Setup.exe again.
-------------------------------
UPGRADING FROM EARLIER VERSIONS
-------------------------------
Upgrading from Preview Release 2
--------------------------------
It is highly recomended that you uninstall the Preview Release 2 of
Internet Explorer before installing version 4.0.
If you have uninstalled Preview Release 2, and have existing
subscriptions, first remove the Download Subscription Manager icon
from your Startup group and then restart your computer before
installing Internet Explorer 4.0.
Upgrading from Version 2.1
--------------------------
If you install this version of Internet Explorer in the same directory
where Internet Explorer version 2.1 is installed, you need to do the
following:
After you install this version and restart your computer, delete the file
Msnssp16.dll from the directory where you installed this version. (Do not
remove the Msnssp16.dll file from the Windows\System directory.)
A series of File Version Conflict error messages may occur when you upgrade
over version 2.1 if the stack and dialer were installed in that version.
If this occurs, click No in the dialog box(es) asking you if you want to
keep the current version of the following files:
Icwconn1.exe
Icwconn2.exe
Icwdl.dll
Icwphbk.dll
Isign16.dll
Isignup.exe
Connapie.dll
Dllhelp.bin
Scripter.exe
Settings Not Retained from Version 3.x
--------------------------------------
When you upgrade, you will need to reset the following settings:
* Font settings
* Cache settings
* Plug-ins
* Security certificates
* PICS / Ratings
Also, because security settings work differently in Internet Explorer
4.0 than in version 3.x, your previous security settings are not retained.
In addition to the new security zones, the meanings of the High, Medium,
and Low security settings have changed. After you install Internet
Explorer 4.0, you should review the default security settings and adjust
them to your needs.
Upgrading from Custom 3.01 to Custom 4.0 Installation
-----------------------------------------------------
When you upgrade from a custom 3.01 to a custom 4.0 installation of Internet
Explorer, your old program groups remain, with their old shortcuts. It is
recommended that you restart your computer before using the shortcuts in
these folders. Internet Explorer 4.0 programs will have their own folders
and it is recommended that you use these instead.
---------------------------
USING INTERNET EXPLORER 4.0
---------------------------
Improved Mail Support
---------------------
Outlook Express can now import the following:
* Saved messages from Microsoft Internet Mail and News, Eudora, and
Netscape Communicator
* Mail accounts from Eudora, Netscape Mail (3.0), and Netscape Communicator
* The Internet Mail and News version of the Address Book
Changing Initialization Settings for Modems
-------------------------------------------
If you are using an older phone system or hardware, or if you are installing
a "generic" modem, the existing initialization settings for the modem might
not be sufficient. If you have problems with the modem, you may need to
modify the Modems2.ini file in order to change the initialization settings.
Use Notepad or another text editor to open the file, and then, in the modems
section, locate the line for the modem, and modify the InitString line as
needed.
Using the Dialer
----------------
The dialer can be configured to run a script every time a connection
is made. To do this, run Iescript.exe (which is located in the same
directory as Internet Explorer).
In order to use the dialer with a PBX that does not have a dial tone,
you need to modify the DialString in the "Dial-In Configuration"
section of the Shivappp.ini as follows:
[Dial-In Configuration]
DialString=ATX3D
Note that adding the X3 command affects all locations and only functions
properly with Hayes-compatible modems.
To access an outside line, you might need to add a pause character (either
a W or a comma, depending on your modem) after the outside access number,
so that there is a pause before the outside number is dialed. To do this,
click the My Locations tab, and then in the box labeled To Access An Outside
Line, First Dial, type the outside line access number followed by a W or a
comma. For example, if the number required to access an outside line is "9"
and your modem's pause character is "," you would type the following in the
box:
9,
If you are running Windows NT 3.51, you must use RAS to connect to the
Internet by using a modem. The dialer included with Internet Explorer will
not work.
Installation with Existing TCP/IP Connections and ISP Accounts
--------------------------------------------------------------
To use a third-party stack and dialer, make sure the directory that the
third-party Winsock.dll is located in is in your path. For example,
if your Winsock.dll file is in the directory C:\Connect, add a line
to your Autoexec.bat file immediately under your current PATH setting
that reads:
PATH=%PATH%;C:\CONNECT
How to Use Multiple Winsocks
----------------------------
Internet Explorer looks for a Winsock.dll to use in the following order:
1. If a Winsock.dll file is currently in use by another program,
Internet Explorer will use it.
2. Look for a Winsock.dll in the Windows directory.
3. Look for a Winsock.dll in the path.
4. Look for a Winsock.dll in the directory for Internet Explorer.
If you have Microsoft TCP/IP-32 for Windows for Workgroups installed, the
Winsock.dll that this stack uses is in the Windows directory. By default,
Internet Explorer will use this Winsock. In order to use the Winsock.dll
that comes with Internet Explorer, or a third-party dialer, you should
start the dialer first and then load Internet Explorer.
In order for Internet Explorer subscriptions to use a Winsock.dll other than
the one in the Windows directory, you should start the dialer first so
the Winsock.dll accompanying the dialer is loaded into memory. You do not
need to dial and connect to the Internet.
You can stop using a third-party dialer and start using the dialer that
comes with Internet Explorer without restarting Windows. To switch to other
dialers, you need to restart Windows.
Internet Explorer Settings
--------------------------
Internet Explorer 4.0 uses the registry to store all settings. If you want
to edit or view the current settings, you need to use Regedit (Regedt16.exe).
Unless you are a very experienced Windows user you should not do this.
Using Third-Party Telnet Helper Applications
----------------------------------------------
There is a setting in the Windows registry which sets the Telnet program
that Internet Explorer uses. If you want to change the Telnet program, you
need to use Regedit (Regedt16.exe) to edit the following setting. Unless you
are a very experienced Windows user you should not do this.
HKEY_CLASSES_ROOT\telnet\shell\open\command\default=
c:\windows\telnet.exe %1
Note that if you have problems running Telnet from within the browser,
you can still run it from the command line.
Uninstall
---------
If you want to reinstall an earlier version of Internet Explorer, you
must first uninstall version 4.0. If you install an earlier version
without uninstalling version 4.0, the earlier version of Internet
Explorer will not run.
Automatic uninstall is supported in this version. Previous versions
of Internet Explorer should continue to work after this version has
been installed, but if you want to remove Internet Explorer, the following
is a list of files to delete:
* The entire Internet Explorer 4.0 directory can be deleted.
* The files installed in the Windows System directory are:
Urlmon16.dll
Win16x.dll
Jobexc16.dll
Inseng16.dll
Advpck16.dll
Setupx16.dll
Mlang16.dll
The following files are shared by Internet Explorer versions 3.0x and 4.0.
If you want to continue to use Internet Explorer 3.0, do not delete these
files:
Comctlie.dll
Secur16.dll
Security.dll
Msnssp16.dll
Basic.dll
Schnl16.dll
Secssp16.dll
If you are comfortable using Regedit (Regedt16.exe) and want to clean up
your computer, you can delete the file Reg16x.dat from your Windows
directory.
If you have created a dialer connection before running Uninstall, the Setup
program will not delete those files from the directory where you installed
this version of Internet Explorer. Also, the Dialer icon in the
Internet Explorer program group will not be removed.
Settings for Java
------------------
The settings for the VM for Java are in the system registry. Unless you
are a very experienced Windows user you should not change these settings.
The registry entries used by the VM for Java are:
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet#Settings\
ClassPath:
Lists which directories to search for classes.
If you want to run Java applets on your local
computer, you can put all the class files into
an uncompressed Zip file and add the full path
of the Zip file to your ClassPath string.
For example:
ClassPath=c:\iedir\classes.zip;c:\myclass\myclass.zip
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet#Settings\
DefaultOptions:
The options for VM for Java:
mx<number> Sets the maximum Java heap size.
ms<number> Sets the minimum Java heap size.
ss<number> Sets the C stack size of the VM.
oss<number> Sets the Java stack size of the VM.
verify Verifies all classes when read in.
verifyremote Verifies classes reading in over the network
(default).
noverify Does not verify any class.
Typically, you do not need to change the default options settings.
However, if you have problems running large and complicated applets
(which include many classes and need more heap space), try increasing
the numbers for the ms and mx settings.
By default, ms is set as 600KB and mx is set as 2048KB. You can increase
the number of the ms option to 800KB or so; or increase mx to 3096KB
or so. However, ms should not be larger than mx. You can try this when
you see an Out Of Memory exception error on the browser status bar.
Known Issues with Java on Windows 3.1
-------------------------------------
Java is a 32-bit multithreaded environment that uses case-sensitive
long file names and UNICODE. Windows 3.1 does not provide these services,
which means they have to be emulated in the virtual machine. Further,
computers running Windows 3.1 typically have slower processors and less
memory than computers running Windows 95 or Windows NT, so fewer resources
are available to applications. As a result, it is not possible to provide the
same Java experience on Windows 3.1 as on Windows 95 or Windows NT. Some of
the symptoms you will see when you use Internet Explorer with Java applets
are:
-- OutOfMemory exception errors on the browser's status bar. This message
indicates an out-of-system-memory error. The Java virtual
machine allocates limited memory for Java run time. If the
Java applet is too big, it will use all the memory available
on Windows 3.1.
-- General Protection Faults (GPFs) may occur when your system
runs out of USER or GDI resources. The USER and GDI resources
are limited on Windows 3.1 and they are shared by all programs.
You may see GPFs in any programs when this happens.
-- For non-Latin1 versions of Windows, this release of Internet
Explorer does not support loading Java applets in directories named
with extended characters. It will be supported in the next release.
-- If you do not install the VM for Java, the security setting for Java
specifies that Java is not enabled. However, because the setting does
not appear dimmed, it is possible to change the setting to incorrectly
show that Java is enabled.
Technical Support
--------------------
The VM for Java is supported through the Microsoft News Server. The
following newsgroup is dedicated to the discussion of the VM for Java and
provides a great deal of support:
news://msnews.microsoft.com/microsoft.public.java.vm
For support in using Internet Explorer, use this newsgroup:
news://msnews.microsoft.com/microsoft.public.inetexplorer.win3
---------------------
KNOWN ISSUES AND BUGS
---------------------
Password May Remain in Cache
----------------------------
When you restart the browser, the cached credentials for SSPI-based client
authentication may not be cleared. This only happens when the Subscription
Manager autoloader (Ierunsub.exe) or Outlook Express is running. In this
case you will need to restart Windows in order to clear your password from
the cache.
Issues with SSL and PCT
-----------------------
If you use the Advanced dialog box (on the View menu, click Internet Options,
and then click Advanced) to enable or disable either SSL versions 2.0 or
3.0, or PCT, you must restart the Internet Explorer for your changes to take
effect.
Using Outlook Express to Send E-Mail to UNIX Mail Programs
----------------------------------------------------------
The type of file attachments used with Outlook Express may not be correctly
detected by UNIX mail clients.
SSL Connection Problems: Changing Ports in Outlook Express
----------------------------------------------------------
When viewing newsgroups in Outlook Express, if you need to change
the port number in order to make an SSL connection (for example, if
you did not originally specify that the server you want requires an
SSL connection), you must either click another folder after changing
the port number or restart Outlook Express. Only then will you be
able to download the newsgroups on the SSL server.
Limited Number of Subscriptions Possible
----------------------------------------
The number of subscriptions should not exceed 40.
Some Printers Incompatible
--------------------------
Canon BubbleJet 330, Panasonic KX series, and Okidata ML 393C Plus printers
are incompatible with Internet Explorer 4.0 for Windows 3.1.
Downloading Files via FTP
-------------------------
If you download a file by using FTP over a modem, the file will be
downloaded before you see the dialog box asking you where to save the file.
If the file is a large one, it may appear that nothing is happening while
the file is downloading.
Issues for ISDN Users
---------------------
The Internet Connection Wizard in this version of Internet Explorer does
not detect ISDN. If you use an ISDN modem, you need to select the make and
model manually when setting up Internet Explorer.
You also need to create connection icons ("connectoids"). When you do
this, you need the following information: username, password, DNS
(Domain Name System) server, and whether your ISP provides a static or
a dynamic IP address.
ISDN users also need to select the correct connect speed (on the Modem
tab in the properties for their connectoid). 115,200 is the recommended
speed for dual-channel capability.
This version of Internet Explorer does not support automatic account
creation (via the Internet Connection Wizard) for ISDN users.