Just chiming in here, my consular is having the same problem. All other chapter achievements worked, but I still haven't received one for completing chapter three... Bummer.

You must know next to nothing about the history of the human race.

I'm sure if you threaten to hire lawyers Bioware will gladly reimburse the generously estimated 20 cents worth of hours you've lost so far.

So from what I can tell some people are at least getting past the client? Mine has just said "Reorganizing data...100%" for about 15 minutes now...