Consider the following scenario. You install Adobe Dreamweaver on a Windows Vista-based computer. Additionally, you accept the option to make Dreamweaver the default editor for XML files. In this scenario, Windows Vista Help and Support stops working. When you try to run Windows Vista Help and Support, you receive the following error message: You may also receive an error message that states that Windows Vista cannot find the file when you try to open XML files in the Windows Vista file browser.

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When you configure Dreamweaver as the default XML editor, this creates a conflict with Windows Vista when you try to open an XML file.

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Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.Adobe has created a registry fix that resolves this issue. To install this fix, follow these steps.

1.	To download the registry fix as a compressed (.zip) file, visit the following Web site: http://www.halleynet.co.uk/wordpress/wp-content/uploads/2007/03/dw8_fix_help_and_support.zip (http://www.halleynet.co.uk/wordpress/wp-content/uploads/2007/03/dw8_fix_help_and_support.zip) Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
2.	When you are prompted to open the file or to save the file, click Save. Select a location on the computer at which to download the file.
3.	Right-click DW8_Fix_Help_and_Support.zip, and then click Extract All. Follow the instructions to expand the file's contents.
4.	Locate the DW8_Fix_Help_and Support.reg file, and then double-click it. If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
5.	Click Yes, and then click OK.

The DW8_Fix_Help_and Support.reg file will add the following subkey to the registry:

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Dreamweaver 8 was released more than a year before Windows Vista became publicly available. Therefore, Dreamweaver 8 does not officially support Windows Vista. The next version of Dreamweaver will be certified to run on Windows Vista. This version is expected to be released in 2007.

For more information about Adobe product support for Windows Vista, see the "How Adobe Products Support Windows Vista" article. To do this, visit the following Adobe Web site: For information about other Windows Vista-related issues, see the "Vista help system stops working when Dreamweaver is the default XML editor" article. To do this, visit the following Adobe Web site: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information. 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.

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