Davinci crashing when using Fusion

I've been having trouble with the new update. Every time I try to use the Planar Tracker, the program crashes or the clip glitches through out my whole project and I have to end up re-downloading my latest backup. I've been working on the same clip for about a week and its starting to get pretty frustrating.

You don't provide much in the way of details. Give the following a good read.

viewtopic.php?f=21&t=90190