why the computer always need administrator password. when i change all the setting of my computer, all around ..... and when i log in my administrator password... still not working even it is correct....password....and user..... and this pc is connected to domain.. but i try to other pc . to login all also using windows administrator its open..... what is the problem itry run cmd as administrator need administrator password.....again.. , i try to open the properties of network need administrator passpowrd..again how to solve this problem my new pc is windows 7 .