Can you use some other words for “hydro flinched”? Do you mean the computer lost power? What model number of Mac is it? Does it use battery power?
Here is the latest 2.1.2 version of Audacity so you go to the correct place:
Audacity ® | Downloads.
To fix the problem, please try "Audacity is already running" error [SOLVED] - #2 by Gale_Andrews
Gale