my system configurations are :
operating System:
Windows 7 Ultimate Edition (X64) Service Pack 1
Processor
Intel Core i5 650 clocked at 3.20 GHz
Number of cores: 2 physical, 4 logical
Processor socket: Socket 1156 LGA
Motherboard
Intel Corporation DH55TC
Memory
4 GB total memory type DDR3
operating System:
Windows 7 Ultimate Edition (X64) Service Pack 1
Processor
Intel Core i5 650 clocked at 3.20 GHz
Number of cores: 2 physical, 4 logical
Processor socket: Socket 1156 LGA
Motherboard
Intel Corporation DH55TC
Memory
4 GB total memory type DDR3