If you’re using Vista you might have noticed that when you launch command prompt it doesn’t launch with administrative privileges, the same applies to programs as well. But you can launch them by right clicking on them and selecting run as administrator. And for starting the command prompt with administrative privileges you need to Type cmd in the Vista Start Run box and press Ctrl + Shift + Enter.
I’ll show you a quick tip through which you can login as administrator from login screen itself.
Launch command prompt by typing cmd in search bar in start menu and hitting enter.
Now, To active Administrator account, type
net user Administrator /active:yes
If you want to deactivate it then simply type the following
net user Administrator /active:no
Close the command prompt and restart to see changes. If you liked this tip, don’t forget to check out 15 Vista tips to speed up Vista.