Hi All If i want rate my computer in Win 7 64Bit in the end of metering i see this "Windows was unable to calculate the Windows experience index because the user cancelled the assessment" Of course i dont touch my mouse or keyboard... (i try turn of any potencional aplication AV etc.) (i try delete DataStore) Nothing help me. So my question is Its problem in my PC or its the BUG? Its possible fix this problem? Please help. P.S. I apologize for my English. Frenkygo