i have a assus notebook that i used to let my 12 year old play games on until he crashed it. well i took it to his mothers house so she could fix it and when i got it back she explained she had to install windows 7 to get it to work. okay no big deal except for she went in command prompt and set up some kind of group something and now when i want to install something or change a setting it says i need permission from the administer and asks for a password which she says she doesnt know. how to i fix it

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