Unable to run an application as Administrator??????

1.Go to start>run>cmd

2.Type in- D:\>net user administrator /random

3. Now right click on the command prompt and click mark.
4.Mark the password and press ENTER(to copy) and paste it where ever you want.
5.If you do this again it will generate different password (actually changes the password) and the 1st one will not work

6.Now click on any program u want to open as administrator.
7.Click run as and paste the password.