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Windows XP x64 NI-VISA driver problem (NI-VISA 4.0)

I'm having trouble installing a NI-VISA USB driver for Windows XP x64. I have downloaded and installed the NI-VISA 4.0 for Windows XP x64.NI-VISA Measurement and Automation Explorer lists the 4.0 Version of VISA installed under Software. I used the Visa Driver Development Wizard to create a driver. I have my hardware connected to the PC via USB. Once I power on the device, it shows up under Other Devices in the Windows Control Panel with the yellow question mark beside it. I try to install the driver created by the Wizard, but there is an error about compatibility with x64 and the driver does not get installed. Is there something I am missing to get this to work with Windows XP x64?

 

Thanks

 

Tommy

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To my knowledge compatibility with Windows XP 64bit was added only in version 4.4 of VISA.

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