Getting Delphine & Esbern 'unstuck'

Solution 1:

ok...for me i just went to www.skyrim.nexusmods.com , registered there downloaded the mod down-loader, then downloaded the unofficial skyrim patch, and my vanilla game was very much ok.my game used to game at anytime,but it is was more minimized now, andat the part where i was to bring esbern to riverwood, erbern wont say a word but nw he talks and stuff.just try it.