Whenever I ask Arngeir to give me the location of a word of power, and he gives me the location of the one at Arcwind Point, I can't finish the quest.
After i've learned the word of power, the quest marker stays and no quest completion is registered. Even if i already found that word of power before, he still gives me the quest and i still can't finish it. This also means Arngeir won't give me any other quests until i've finished this one, which i can't.
This is incredibly annoying. Any way to fix this?