The purpose of this study is to evaluate the efficacy and safety of co-administration of ABT-493/ABT-530 plus sofosbuvir (SOF) plus ribavirin (RBV) in hepatitis C virus (HCV) genotype (GT) 1 - 6-infected participants (including non-cirrhotic, or cirrhotic participants) who have experienced virologic failure in an AbbVie parent clinical study.