Modded saves freezing on load is classic mod conflict / save corruption. Since I can't see your load order, here's the systematic fix:
.esp/.esm files in Data/ (keep FalloutNV.esm, DeadMoney.esm, HonestHearts.esm, OldWorldBlues.esm, LonesomeRoad.esm, GunRunnersArsenal.esm)coc GoodspringsCasino → player.setlevel X → advlevel → player.additem [codes] to restore gear.esp (depending on size). Merge patches (Merge Plugins on PC → transfer merged ESP)Backup: Copy saves to USB every session. 360 HDD fails silently.