Step 1 Check the Internet Explorer 8 Installation Prerequisites

The following updates must be applied before installing Internet Explorer 8:For more information about the installation prerequisites, visit the following Microsoft website: "Internet Explorer 8 Installation Prerequisites"

Step 2 Try the general troubleshooting methods

The following methods are only for general problems. We recommend that you try from easier methods.

Method A: Reset Windows security settings back to the defaults (Rated: Easy)

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Fix it for me

To Reset Windows security settings automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.
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Fix this problem
Microsoft Fix it 50198
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Notes
  • This wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
  • If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or a CD so that you can run it on the computer that has the problem.

Let me fix it myself

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To Reset Windows security settings manually, follow these steps:

Note This solution does not apply to Windows XP Home Edition, or Windows Vista Home Basic and Home Premium editions. To restore security settings for Home editions, you can use the Fix it, System Restore, or a backup.

  1. Click Start, click Run, type cmd, and then press ENTER.
  2. In Windows XP, type the following command, and then press ENTER:
    secedit /configure /cfg %windir%\repair\secsetup.inf /db secsetup.sdb /verbose

    In Windows Vista, type the following command, and then press ENTER:
    secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose

    You receive a "Task is completed" message and a warning message that something could not be done. You can safely ignore this message. For more information about this message, see the %windir%\Security\Logs\Scesrv.log file.
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After you reset Windows security settings, try to install Internet Explorer again. If this method did not work for you, try Method B.

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Method B: Scan your computer for malware (Rated: Easy)

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How you scan your computer for malware depends on the malware-protection programs that you have.

Important If you use your own antivirus and anti-malware software, update the antivirus and anti-malware definition files before you scan your computer.

If you do not know how to update your antivirus and anti-malware definition files or if you do not know how to scan your computer, an easy and free way to do this is to use Microsoft Safety Scanner.

Try to install Internet Explorer again after you scan your computer for malware. If this method did not work for you, try Method C.
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Method C: Temporarily disable antispyware and antivirus software, then try to install Internet Explorer 8 (Rated: Easy)

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Note Before you temporarily disable your virus scanner, make sure that the Windows Firewall is enabled. After you complete the steps, enable the virus scanner again.

Antivirus software is designed to help protect your computer from viruses. You must not download or open files from sources that you do not trust, visit Web sites that you do not trust, or open e- mail attachments when your antivirus software is disabled. For more information about computer viruses, click the following article number to view the article in the Microsoft Knowledge Base:
129972 Computer viruses: description, prevention, and recovery

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.

To complete this method, follow these steps:
  1. Disable antispyware and antivirus software. To do this, right-click the appropriate icon for the antispyware or antivirus software in the notification area. Then, click Exit or click Disable.
  2. When the antispyware and antivirus software is disabled, try to install Internet Explorer 8 again.
  3. When the installation of Internet Explorer 8 is finished, re-enable the antispyware and antivirus software.
If this method did not work for you, try Method D.
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Method D: Install Internet Explorer 8 in a Clean Boot state (Rated: Moderately easy)


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To install Internet Explorer 8 in a Clean Boot state, follow these steps:
  1. Start your computer in a Clean Boot state. For more information about how to start your computer by performing a clean boot, click the following article number to view the article in the Microsoft Knowledge Base:
    310353 How to configure Windows to start in a "clean boot" state
  2. After you start your computer in a clean boot state, try to install Internet Explorer 8 again.
  3. Start the computer into Normal mode after installing Internet Explorer 8.
If this method did not work for you, try Method E.
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Method E: Check for any files that cannot be backed up or updated (Rated: Moderately easy)

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Fix it for me

To fix this problem automatically, click the Fix it button or link. Then click Run in the File Download dialog box, and follow the steps in the Fix it wizard. Try to install Internet Explorer 8 after you run the Fix it solution.
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Fix this problem
Microsoft Fix it 50779
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Notes
  • This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
  • If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.

Let me fix it myself

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To complete this method, follow these steps:
  1. Determine whether a problem is preventing the files from being backed up or updated. To do this, follow these steps:
    1. Click Start, and then click Run.
    2. Copy and then paste (or type) the following text in the Open box, and then click OK to open the ie8_main.log file:
      %windir%\ie8_main.log
      Note By default, the ie8_main.log file is located in the C:\Windows folder.
    3. Press CTRL+END to move to the end of the ie8_main.log file.
    4. On the Edit menu, click Find.
    5. In the Find what box, type ArchiveFileForUninstall:ArchiveSingleFile Canceled.
    6. Under Direction, click Up, and then click Find Next.

      If you find the "ArchiveFileForUninstall:ArchiveSingleFile Canceled" text, this indicates that there is a problem that is preventing an Internet Explorer 8 file from being saved for removal. For example, text that resembles the following in the log file indicates that a problem exists:
      Time_stamp: ArchiveFileForUninstall:ArchiveSingleFile Canceled
      Time_stamp: DoInstallation:UpdSpCommitFileQueue for AlwaysQueue Failed: 0x4c7
  2. Reset the permissions for the Vgx.dll file. To set the permissions of the file to the default settings, click Start, click Run, type cmd, and then click OK. At a command prompt, copy and then paste (or type) one of the following commands, and then press ENTER:
    • If you are running Windows XP, copy and then paste (or type) the following command:
      echo y| cacls "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll" /P BUILTIN\Users:R "BUILTIN\Power Users:C" BUILTIN\Administrators:F "NT AUTHORITY\SYSTEM:F"
    • If you are running Windows Server 2003, copy and then paste (or type) the following command:
      echo y| cacls "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll" /P BUILTIN\Users:R "BUILTIN\Power Users:C" BUILTIN\Administrators:F "NT AUTHORITY\SYSTEM:F" "NT AUTHORITY\TERMINAL SERVER USER:C"
    • If you are running Windows Vista, copy and then paste (or type) the following command:
      Takeown /f "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll" /a

      echo y| cacls "%CommonProgramFiles%\Microsoft Shared\VGX\vgx.dll" /P "NT SERVICE\TrustedInstaller:F" BUILTIN\Administrators:F "NT AUTHORITY\SYSTEM:F" BUILTIN\Users:R
  3. Try to install Internet Explorer 8. If the log file shows a problem, repeat all the steps in this method.
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If you still have the problem after you use these methods, contact Microsoft Support.

For more information

When you try to remove Windows Internet Explorer 8, the program may not appear in the Currently installed updates list in Windows Vista or in Windows Server 2008. For more information about how to resolve this problem, click the following article number to view the article in the Microsoft Knowledge Base:
965227 Windows Internet Explorer 8 does not appear in the "Currently installed updates" list in Windows Vista or in Windows Server 2008

About this article

Article ID: 949220
Last review: January 13, 2014
Applies to: Windows Internet Explorer 8
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