i believe that you need administrator privileges from your operating system

可能是操作系统出问题了，重装一下操作系统，试试。

麻烦能再详细的说一下吗，我对电脑操作系统不太懂！拜托！

谢谢老师！

Look at Microsoft site please. Turn User Account Control on or off. There is a video.
http://windows.microsoft.com/en- ... t-control-on-or-off

If previous link doesn't help look at here
http://www.registryquick.net/run ... or-1924-75179.html.

I have no more to say about this error. Hope it helps.