A couple questions which may have been why this happened:
1) What is your exact OS? i.e. Windows 7 Service Pack 1
2) Is User Account Control enabled? You can check this from Control Panel.
3) Are you doing all this from an account that has Administrative privileges?
1) What is your exact OS? i.e. Windows 7 Service Pack 1
2) Is User Account Control enabled? You can check this from Control Panel.
3) Are you doing all this from an account that has Administrative privileges?