Installing driver with Wix3.0.5419.0

Hi there,
I really hope someone can help point me in the right direction, my wix problem is related to the following code section:

<Component Id='DirFilterDriver'Guid='8c64e674-5476-46e4-93cd-ba1ae78622df'>
    <File Id='DriverSYS'Name='Driver.sys' Source='d:\Driver.sys' KeyPath='yes' />
    <difxapp:Driver Legacy='yes' />

The problem is that the difxapp:Driver namespace is not being recognised as valid and hence the build fails.

Error      1      Namespace prefix 'difxapp' is not defined.      D:\Document\Visual Studio 2005\Projects\IMS\Installers\WixImsClient\wixImsClient.wxs      884      12      WixIMSClient

1.) The wix is part of a visual studio 2005 project
2.) I have included references for: difxapp_x86 and WixDifxAppExtension.

So far my searches on google have not held up a solution?
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VaughnWilliamsAuthor Commented:
Problem has been resolved by the help of

The fix this issue; do the following:

Add xmlns:difxapp="" to the Wix element.

For example:

<Wix xmlns="" xmlns:difxapp="" />

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