Project: multi-voice, short,
Soft Synth ... NI KONTAKT using 3 of 5 midi channels
FX Plug Ins ...Guitar Rig 5, Antares Auto Tune 7, NOMAD Cosmos
 
Upon closing SONAR...it created a crash dump report and I lost 10 sets of three short voice tracks...
 
the project had been saved about 5 minutes before closing SONAR.
 

the report: CWBRN-24654

What's in the windows event viewer? Thanks.

Wow!!
 
I have never seen a crash that long after a save that would wipe out clips.
 
Were the actual audio clips lost, or was the project corrupted?
 
Does the project open back up again?
 
I looked up your listed plugins, and all have 64-bit support, are you sure you have the 64-bit versions loaded?
 
Bob Bone
 

The clips may be on disk but not referenced in the last good save of the project. On the other hand, if write caching was enabled (and it should not be on a new machine), it may well be the clips never were written to disk. But there is not near enough information provided to make any kind of guess as to cause or remedy.