I want other people to be able to use my computer without them being able to access my confidential files, and without them being able to infect my computer accidentally with a virus or change system settings that might screw things up. How can I do that by adding another user to the computer?...

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Help! My friend lost his Google Gmail password because he used a password generator on his Mac, but when he copied the generated password to the clipboard, it didnt really copy. Then he closed the password box and effectively lost that new password for his Gmail. He tried filling out the Gmail technical support form to get access again but they said the info he gave them was "inconclusive" and they couldn't give him access...

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Dave, I purchased a used macbook from a friend and need to change the Home Icon (House) name from his to mine, but I can't find information anywhere to do this. It is driving me crazy. Can you possibly assist?...

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