Ask HN: Help collections agency wrongfully ruining credit

They are trying to bill me for something that I disputed a long time ago and won.<p>The process works like this.<p>- They will try and get me to pay this bill and mess up my credit. - I will refuse and cite evidence why I don't have to pay and have the debt stricken from my credit record. - They will try and get me to pay this bill and mess up my credit.<p>I can't stop them from doing this! This system is broken as hell...