You can record a Notice of Withdrawal of Lis Pendens. This is done via pleading.Palm Beach County Lis Pendens Release Form. Fill in the blank form formatted to comply with all recording and content requirements. I suppose you can register the CT Divorce Decree in NH and file a Motion for Contempt there. The Form Catalog consists of Circuit, County Civil, Probate, Simplified Divorce, Tenant Eviction and Traffic, Felony and Misdemeanor form packages.