what happend to my yahoo id?

[aryan2807]

hi friends...
When i open my yahoo id..many chat windows are pop-upd, and they are from same user...this happens every time i open my yahoo id.
i tried on different computers ... but damm...got nothing..
I am really annoyed..
plz help meee

[~~smart~fool~~]

lets see, block the user? i believe yahoo prompts you before you see any messages anyway so this is most likely bullshuff

[SyntaXmasteR]

Disable the setting: "Enable receiving of messages when not logged on"