JavaScript may not run in Internet Explorer after you enable the "Deny all add-ons unless specifically allowed in the Add-on List" policy setting on a Windows XP SP2-based computer

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Article ID: 915729
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Symptoms

When you try to run an add-in program that uses JavaScript in Microsoft Internet Explorer 6 after you enable the Deny all add-ons unless specifically allowed in the Add-on List policy setting on a Microsoft Windows XP Service Pack 2 (SP2)-based computer, JavaScript may not run in Internet Explorer.

Cause

This issue occurs because the Deny all add-ons unless specifically allowed in the Add-on List policy setting prevents JavaScript from running in add-in programs in Internet Explorer.

Workaround

To work around this issue, enable the Add-on List policy setting and add CLSID registry subkeys to the Add-on List policy setting. These changes will enable both JavaScript and VBScript. To do this, follow these steps.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
  1. Click Start, click Run, type gpedit.msc, and then click OK.
  2. Under Computer Configuration, expand Administrative Templates.
  3. Expand Windows Components, expand Internet Explorer, expand Security Features, and then click Add-on Management.
  4. In the right pane, double-click Add-on List.
  5. Click Enabled, and then click Show.
  6. In the Show Contents dialog box, click Add.
  7. In the Enter the name of the item to be added box, type {F414C260-6AC0-11CF-B6D1-00AA00BBBB58}.
  8. In the Enter the value of the item to be added box, type an appropriate value, and then click OK.
    Note Thhe following list explains the available value settings:
    • A value of 0 blocks the add-ons in Internet Explorer.
    • A value of 1 enables the add-ons in Internet Explorer.
    • A value of 2 allows the end user to adjust the add-ons in Internet Explorer.
  9. In the Show Contents dialog box, click Add.
  10. In the Enter the name of the item to be added box, type {B54F3741-5B07-11cf-A4B0-00AA004A55E8}.
  11. In the Enter the value of the item to be added box, type , and then click OK.

    Note Thhe following list explains the available value settings:
    • A value of 0 blocks the add-ons in Internet Explorer.
    • A value of 1 enables the add-ons in Internet Explorer.
    • A value of 2 allows the end user to adjust the add-ons in Internet Explorer.
  12. Click OK two more times.
  13. Exit Group Policy.

More information

Internet Explorer supports the following type of add-ins:
  • Browser Helper objects
  • ActiveX controls
  • Toolbar extensions
  • Browser extensions
For more information about how to manage Internet Explorer add-ons in Windows XP Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:
883256 How to manage Internet Explorer add-ons in Windows XP Service Pack 2
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 915729 - Last Review: June 20, 2014 - Revision: 1.0
Keywords: 
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