I'll preface this by saying I'm not an achievement [censored], but I do like the game to register when I've completed a quest. So far, quests Beyond the Beef, Restoring Hope, Wild Card: Change in Management, ED-E My Love, and Heartache by the Number, although completed, are still listed as open quests in my pipboy. Part of my frustration is slightly obsessive compulsive in that it clutters my quest screen, but the other is that I want my EXP! I'm fairly certain there's nothing I can do at this point, because these quests have been completed over time and returning to a save point before the first bugged quests would put me significantly behind in the game, but if there's a way I can trigger something that maybe others have come across to at least get some of these working that would be fantastic.