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Introduction

This article applies to Windows XP and Vista.

When you have problem with Internet Explorer, you don’t know how to reinstall or repair it because it doesn’t visible in Add or Remove Programs. There are methods which you can reinstall or repair Internet Explorer if it has problem.

This post shows only some methods which you can perform to reinstall/repair Internet Explorer. You can find out more methods on Microsoft’s Knowledge Base, see the bottom of this post for more detail.

Section

1. Reinstall or repair Internet Explorer 6 using ie.inf
2. Reinstall or repair Internet Explorer 7 & 8 by reset IE settings

Step-by-step

Reinstall or repair Internet Explorer 6 using ie.inf

Note: This method requires at lest Windows XP Service Pack 2. If you don’t have one, you can install Service Pack 2 or 3 to resolve problems with Internet Explorer.

1. Open folder Windows\Inf by click Start -> Run -> type %systemroot%\inf.
   Note: You can also browse from Windows Explorer but the Inf folder is hidden so you must change view to show hidden files and folders.
   
2. Locate ie.inf. Right-click on the file and select Install.
   
3. Browse to the location of Windows XP Installation CD and click OK.
   
4. After the installation finishes, restart Internet Explorer by close and open again. Now Internet Explorer is reinstalled/repaired.
   

Note: You can also repair or reinstall Internet Explorer by upgrade to the higher version.

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Reinstall or repair Internet Explorer 7 & 8 by reset IE settings

1. Open Internet Explorer 7 or 8. Select Tools -> Internet Options.
   
2. Click on Advanced tab and click on Reset button.
   
3. It shows a warning message that these information will be reseted. Click Reset to proceed.
   
4. The reset is in progress.
   
5. After all settings are reset, you should restart Internet Explorer.
   

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Reference

• How to reinstall or repair Internet Explorer in Windows Vista and Windows XP