Ah, sorry I forgot something this important ^^ here are my specs : Motherboard : A8N SLI Premium CPU : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+, 2,21 GHz Graphic card : Radeon X1950 Series RAM : 2Gb I have 4 HD in SATAII, 1Tb+2x500Gb+250Gb. The 250 one is where the OS is installed, on a...