For quite a while things have been fine. now whenever a backup (manual or scheduled) runs the computer freezes--screen is frozen, no input from mouse or keyboard is accepted...only option is hard reboot. This usually happens somewhere between 20% and 70% (always different) through the backup.
I've run chkdsk on both source and target...reformatted target...uninstalled/reinstalled NG. I'll also mention that the current HW/SW configuration has not materially changed (as far as I can tell) since things worked fine a few weeks ago.
As mentioned, I'm running NG 15 SP1 on WIN7 64 Dell XPS 7100 box.
Any insights?