Unable to uninstall Internet Explorer 7 if Service Pack 2 is installed later on Windows Server 2003

Source: Microsoft Support

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On your Windows Server 2003 Service Pack 2 computer, you want to uninstall Internet Explorer 7. However, when you go to Add/Remove Programs and try to remove Internet Explorer 7, the "Remove" button is not available.

In some situations, the button is still there but when you click on it, the following message appears:

Uninstaller Error
-----------------
An error occurred while trying to remove Windows Internet Explorer 7. It may have already been uninstalled.
Would you like to remove Windows Internet Explorer 7 from the Add or Remove programs list?

This behavior occurs if Internet Explorer 7 was installed on Windows Server 2003 Service Pack 1. Service pack 2 was installed later than that.

In order to uninstall Internet Explorer 7 from this system, you can follow the steps below:

1. Uninstall Service Pack 2 for Windows Server 2003 and restart the computer.

2. Uninstall Internet Explorer 7.0 and restart the computer.

3. Reinstall Service Pack 2 for Windows Server 2003.

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