I was using Windows XP operating system and Phenom MSR Tweaker worked fine without any issues on it. The problem has been encountered after I have done a fresh install of the Windows 7 operating system in my computer. The situation is that Phenom MSR Tweaker on Windows 7 is impossible to work. I am not able to understand why this is happening. Kindly provide any solutions or suggestions to work out with it in this particular operating system.