Article ID: 952033 - View products that this article applies to.
When you use the CScript //H or WScript //H command to change the default script host on a Windows XP-based computer, the operation may not work as expected. For example, if you use the CScript //H:CScript command, WScript is set as the default script host instead of CScript.
You may experience this issue in the following scenarios.
On a Windows XP Service Pack 2 (SP2)-based computer, you change the default script host to CScript. Then, you install Windows XP Service Pack 3 (SP3). However, when you try to change the default script host again, you experience this issue.
On a Windows XP SP3-based computer, you change the default script host to CScript. Then, you uninstall Windows XP SP3. However, when you try to change the default script host again, you experience this issue.
Note This issue occurs only if the default script host is changed to CScript before you install or uninstall Windows XP SP3.
Windows XP SP3 installs Windows Script Host (WSH) 5.7. The mechanism to change the default script host in WSH 5.7 differs from the corresponding mechanism in WSH 5.6. Because of this difference, you experience this issue when Windows XP SP3 is installed or uninstalled.
Note Windows XP SP2 installs WSH 5.6.
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:
322756To work around this issue, follow these steps one time for each script file name extension with which you experience this issue. For example, if you experience this issue with the .vbs file name extension, follow these steps:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
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