How are we going to repurchase or refinance my grandmother's house?

My grandmother passed. We filed in probate court. The property foreclosed. Then it was bought by a mortgage association. We negotiated with mortgage association. We appealed to court. The judge ruled in our favor. The judge told mortgage association to negotiate with us. Now mortgage association has stated they don't want to and now wants to begin foreclose process all over again. We have financing as they asked. What do we do?