On Mon, May 10, 2010 at 9:11 AM, wrote: > I forced the device driver to use the mchpusb64.sys and it worked in > the Win 7 64 bit Prof. XP mode. That was the information I needed. > I don't know why the device driver wasn't named in the documentation. > > Thank you for this information. I'm on my way again. > Glad that you solved the issue. It is also quite nice that you updated your post in the Microchip forum. Thanks. http://www.microchip.com/forums/fb.aspx?m=498957 -- Xiaofan http://mcuee.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist