LPC1343F USB isses with windows 7 64Bit

I have a program written in VB-2010 talking to a LPC1343F chip in our device. It is working great with windows 7 32bit but doesn't work at all with windows 7 64bit. Has anyone had this issue and what...
LPC1343F USB isses with windows 7 64Bit

I have a program written in VB-2010 talking to a LPC1343F chip in our device. It is working great with windows 7 32bit but doesn't work at all with windows 7 64bit. Has anyone had this issue and what...
Different Keil Versions produce different .Hex files for the same code. Keil-4 Vs Keil-5??

Will the .hex files be different if there is any change in the Keil version.
Different Keil Versions produce different .Hex files for the same code. Keil-4 Vs Keil-5??

Will the .hex files be different if there is any change in the Keil version.
keil 2 and keil 4 compatibility

I am not able to download the hex file generated using keil 4 to mcs51 but i am able to download keil 2 hex file to the same processor. Can anyone please help me out.