The Register of Wills had “good cause” to deny letters of administration to a creditor who had engaged litigation against the decedent during his lifetime, and whose claims were still unresolved, because the interests of the creditor were “hostile” to the estate. In re: Estate of James E. Scwhartz, 275 A.3d 1032, 2022 PA Super 80 (5/5/2022), aff’ng 11 Fid.Rep.3d 210 (Bucks O.C. 2021).