problem in porting 32 bit application in x64...   

hi...
i m using an 32 bit allication to load a driver ...but when i m trying
this application in X64,its failing at
SetupDiCallClassInstaller(DIF_REGISTERDEVICE,
			DeviceInfoSet,
			&DeviceInfoData)
with error code e0000235()....i compiled the application in
xp(professional 64 bit addition),but its still giving the same
error...
can any body plz tell me y its happening so????
Regards
mani

date: Tue, 28 Aug 2007 02:22:28 -0700   author:   mani