x64 target error when creating project

[Anonymous]

when creating a new project using the VisualDDk wizard. if i chose to leave the “add support for x64 target” option checked, the operation fails to complete the creation of a solution and i get a message box with the following error.
Platform x64 was not found.

i am running vs 2008 on a AMD dual core machine windows 7 x64 ultimate.
I have installed the Windows debugging tools x64 and x86 i have also installed the 7.6 (latest build) version of WDK x64.
I am new to driver development and am not really sure what the wizard is looking for when the x64 options is turned on nor do i know what it does to the configuration to support an x64 target.

[support]

Which OS version did you select in the wizard? Maybe, the selected OS does not have support for x64 target? Try selecting the latest one (Windows 7).

[Anonymous]

if you mean on the project creation dialog, no i have the lastest version of the wdk version 7.6x. for windows 7. it doesn’t specify a platform arch int he OS dropdown.

[Author]

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