Which Audacity?
Did you do a Windows Backup anywhere during the production?
I had not saved yet today,
Through the course of the production, were you always saving to one single show or Project? Do you do that to all your shows?
Describe the show. How long? Multiple tracks?
Jademan has gotten good at rescuing crashed shows. Let’s see how he does with this one.
The latest Audacity 3.0.5 has a “Save Backup” feature.
That saves a Frozen Moment in Time completely divorced from the edit. Use a unique name and Audacity will not “step on” that show in the course of editing.
Also there is this.