Hacks4sale help how can i remove it?!!?

i downloaded it then i just remove it then, but after few weeks later a window opens involuntarily, it's the advance password retriever, i really am bothered because it doesn't appear in the task manager and other places, what shall i do?! please help me!
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Odd how google brought me to another post the same as this one word for word. [url]http://ph.answers.**********/question/index?qid=20*0022504252*AANqzSY[/url]