Omega: Assist the Hacker not completing
I picked up the 'assist the hacker' quest whilst on Omega and went to all three terminals and made sure that I interacted with them. Once I got back to the stronghold I went and spoke to the hacker a...
Forum Discussion
This is an old problem and was present in the Legacy version as well:
https://answers.ea.com/t5/Mass-Effect-3/Omega-DLC-side-quests-still-in-Journal/td-p/259728
Strange so, that I never had any problems with both quests, and I don't have a "secret strategy" to avoid any bugs, just played through the Omega DLC (Legacy) multiple times. So it seems to be totally random and I was just lucky, I guess.
