Make sure you have plenty of spare room on your HDD. The unpacking requires some room.
By the looks of the decreasing space on my SSD during "preallocating" I would say it does indeed need another 60gb to decrypt into.
Glad I cleared space for it.
Yeh, having to copy off load of steam games and try again Only got a 120gb SSD better not need 2x the space....
Yeah on R* downloader it seems just pausing and un-pausing download kicks it into life.