Error Message: Unable to Install Java Packages...

• Microsoft Internet Explorer version 4.0 for Windows 95
• Microsoft Internet Explorer version 4.0 for Windows NT 4.0

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.

SYMPTOMS

When you install Internet Explorer 4.0, you may receive the following error messages:

• Unable to install Java Packages from c:\windows\java\classes\Xmldso.cab Access is denied.
• Unable to install Java Packages from c:\windows\system\Iejava.cab Access is denied.
• Unable to install Java Packages from c:\windows\Dajava.cab Access is denied.

CAUSE

These error messages can occur for any of the following reasons:

• There is a copy of the Imagehlp.dll file in the Windows folder. Internet Explorer installs an updated copy of the Imagehlp.dll file in the Windows\System or Winnt\System32 folder.
• You are trying to install Internet Explorer 4.0 over a pre-released version of Internet Explorer 4.0 that includes the Microsoft Virtual Machine (VM) for Java.
• There is an invalid certificate on the hard disk when you install Internet Explorer 4.0.
• The Active Content security options are disabled in Internet Explorer 3.02 before you upgrade to Internet Explorer 4.0.

RESOLUTION

To resolve this issue, use the appropriate method:

Rename the Imagehlp.dll File in the Windows Folder

For information about how to rename a file, click Start, click Help, click the Index tab, type "renaming" (without quotation marks), and then double- click the "Renaming files" topic.

NOTE: You must reinstall Internet Explorer 4.0 after you rename the Imagehlp.dll file.

Remove Java Before Reinstalling Internet Explorer 4.0

NOTE: You should always uninstall beta versions of software before installing the release version.

If these error messages occur when you install over a pre-released version of Internet Explorer 4.0, uninstall the previous version before installing Internet Explorer 4.0. To do this, follow these steps:

1. Uninstall your previous version of Internet Explorer 4.0. For information about uninstalling Internet Explorer 4.0, see the following article in the Microsoft Knowledge Base:

         ARTICLE-ID : Q174265
         TITLE      : How to Uninstall Internet Explorer 4.0
   
      NOTE: Do not remove the Microsoft Java VM if you are installing over
      the Internet. If you receive the following prompt, click No to keep the
      Microsoft VM for Java:
   
         Microsoft VM Uninstall
         If this component is uninstalled. Microsoft Internet Explorer 4.0
         will not be able to download files from the World Wide Web. Do you
         want to uninstall the Microsoft VM for Java?
   
   

2. Delete the following folder:

          <windir>\Java\Packages
   

   where <windir> is the folder where Windows is installed.

   For information about how to delete a folder, click Start, click Help, click the Index tab, type "deleting" (without quotation marks), and then double-click the "folders" topic.

3. If you have an invalid or beta certificate for Java, follow these steps:

   a. On the View menu, click Internet Options.

   b. On the Content tab under View, click Publishers.

   c. Click the certificate you want to remove, and then click Remove.

   d. Click OK, and then click OK again.

   NOTE: Beta versions of Internet Explorer used Internet Explorer BETA Publishing Division instead of Microsoft Corporation. This certificate should be removed when you Uninstall the beta version of Internet Explorer 4.0. If it is not removed, the final version of Internet Explorer 4.0 will report "Access Denied" when installing the Java VM.

4. Install Internet Explorer 4.0.

   For information about installing Internet Explorer 4.0, see the following article in the Microsoft Knowledge Base:

         ARTICLE-ID : Q170993
         TITLE      : How to Install Internet Explorer and Troubleshoot Setup
                      Problems
   
   

For information about certificates in Internet Explorer 4.0, see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID : Q174920
   TITLE      : Uninstalling Internet Explorer 4.0 Removes Certificates

If these error messages occur when you install over Internet Explorer 3.02, uninstall Internet Explorer 4.0 then enable the Active Content in Internet Explorer 3.02. To enable Active Content, follow these steps:

1. In Internet Explorer 3.02, on the View menu, click Options.

2. Click the Security Tab.

3. Under Active Content, click the check box for the following options to select them:

       - Allow Downloading Of Active Content
       - Enable ActiveX Controls And Plug-Ins
       - Run ActiveX Scripts
       - Enable Java Programs
   

4. Click OK.

5. Install Internet Explorer 4.0.

   For information about installing Internet Explorer 4.0, see the following article in the Microsoft Knowledge Base:

         ARTICLE-ID : Q170993
         TITLE      : How to Install Internet Explorer and Troubleshoot Setup
                      Problems
   
   

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

NOTE: For information about how to edit the registry, view the Changing Keys And Values online Help topic in Registry Editor (Regedit.exe). Note that you should make a backup copy of the registry files (System.dat and User.dat) before you edit the registry.

1. Delete the Code Download data name under the following registry key:

         HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
         Internet Settings
   

2. Reinstall the Microsoft VM For Java add-on from the Internet Explorer Component Download Web page.

MORE INFORMATION

For more information about the Java VM in Internet Explorer, see the following articles in the Microsoft Knowledge Base:

   ARTICLE-ID : Q174311
   TITLE      : Internet Explorer Plus 4.0 Readme.txt File

   ARTICLE-ID : Q154604
   TITLE      : Description of Java Support for Internet Explorer

   ARTICLE-ID : Q172437
   TITLE      : INFO: IE4 PP2 Win32 Virtual Machine for Java File List

   ARTICLE-ID : Q168941
   TITLE      : INFO: Frequently Asked Questions for CAB Files

   ARTICLE-ID : Q169805
   TITLE      : INFO: Known Issues with Microsoft Win32 Virtual Machine
                for Java