I have the MSI P67A-GD65 motherboard. I am experiencing a lot of freezes in Windows Xp x64 even while browsing. I have Corsair Vengeance 4 GB X 1 with an i5 2500k. When I turn on C1E in BIOS, the freezes stop coming. But then my apps take more time to load. Normal applications like Notepad are taking 2 minutes to load after I turned on C1E to stop the freezes. Its really frustrating. I had a really bad experience with SMC. Please help