I pre-downloaded the installer a while ago, and now, at 1%, I get the "If your disc has been ejected..." error message. Apparently it has to do with incomplete files, and indeed my Installer Tome 2.MPQE file has .part tacked on at the end.
Downloading a new installer seems to begin the entire client download (and concomitant installation) from the very beginning.
So the question of the day is: is there a way to specifically repair the Tome file(s) you need (i.e. the Installer Tome X.MPQE.part files you may have), or are we just better off deleting our pre-downloaded files and getting a fresh new installer altogether?