The "Diagnostic connection Problem" program does not run correctly when you use a 32-bit version of Internet Explorer in a 64-bit version of Windows Vista, and there is no Internet connection

Consider the following scenario.
  • On a computer that is running a 64-bit version of Windows Vista, you try to browse a Web site by using a 32-bit version of Windows Internet Explorer.
  • There is no Internet connection, and you receive a page that displays an error message in Internet Explorer.
  • You click the Diagnose connection Problems button on the error message page, and then click View available wireless networks.
In this scenario, the "Diagnose connection Problems" program does not run correctly.
This problem occurs because the Windows API ShellExecute function cannot find the following registry subkey in a 64-bit version of Windows Vista:
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
To resolve this problem, add the following registry subkey:

Entry: (Default)
Type: REG_SZ
Value: View Available Networks
To do this, follow these steps:
  1. Click Start, type regedit in the Start Search box, and then press ENTER.
  2. Locate and then click the following registry subkey:
  3. On the Edit menu, point to New, and then click Key.
  4. Type the following, and then press ENTER:
  5. Right-click the registry entry (Default), and then click Modify.
  6. Type the following value in the Value data box, and then click OK:
    View Available Networks
  7. Exit Registry Editor.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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Article ID: 974104 - Last Review: 07/29/2009 16:14:18 - Revision: 1.0

Windows Vista Enterprise 64-bit Edition, Windows Vista Home Basic 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Ultimate 64-bit Edition

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