Install new WD DD. (SD Vista passing emergency SE mode), the installation was a success, the very long upgrade (MAJ 147)
But once everything finished, installed programs (especially antivirus) transferred files, etc .. (hours and hours) what happiness, what up, this is a CPU that finally breathe youth, speed, excellence .
Namely, if your installation hangs on expanding files, this is normal, this is the longest stage (0% displayed a long time)
W7 a reference worthy of XP.