can you pre-render any stabilized shots? premiere stores the actual data in the project file. also, try rendering out to a tiff or png image sequence. if it crashes, you won't have to re-render from scratch and may find where the error is in the timeline by the frame number in the filename. also, using oversized images in the project, compressed audio, 3rd party effects, old gfx drivers(try software renderer), can cause out of memory issues. importing the sequence into a new project sometimes fixes corrupt sequences as well. maybe the error dump log may give a clue?