i need help guys

[danielthegreat2]

K guys here is the problem wen ever i play i play then wen i need to leave so i close everything then wen i wanna get back in i cant get in :( it says only one client per computer.:( HELP!!!

[TankWonder1]

Prees Ctrl+alt+del and get the TaskManeger , got to process, the find your browzer, internet explore is iexplore and fire fox is firefoxx, end it, it should now work