Just a couple of things to add to John's reply:
* Most users who segment using Caret, 1Gb of memory is enough, but if
your volume is very high resolution or otherwise is very large (e.g.,
dimensions of 300x300x300 are above those of a typical Caret user; most
volumes are something like 150x200
Hi Elena,
How old is your version of Caret? The date is listed in the main
window titlebar.
There was fix related to crashing during error correction made on 24
Jan 2006.
In any case, an updated snapshot of caret (which contains just the
executable) is available at "http://pub:[EMAIL P