second account in one house

[HarlemMeat]

so i've played fa on all my computers in the house. when i try to make my bro his own account it lets me but when he logs on it says something about "unique id".. and only one account per computer. will only let him log in under my account. how can i fix this?

[Ze_PilOt]

Only the last one you've used hold your account. The others are "free".