HELP!

[stigmata242]

i need help!!!!!
no matter how much i delete this file
*its a casino pop up thing*
it still comes back
every time i go online
i cannot stay connected for more then 5-10 mins.
(currently,using my aunts shitty comp,its 56K,ugh)
anyways,if ANYONE can recommend ANYTHING to help rid ones self from rotten files PLEASE DO SHARE!!!!

-Matt-