Crash after video suite tests

TechTool Pro version 9.5.1 (3131-fc796a5) crashes every time while running the "Check Computer" suite of tests, after (or during, I'm not sure, since it crashes) the video series. Every time.

My machine:

Model Name: Mac Pro
Model Identifier: MacPro6,1
Processor Name: Quad-Core Intel Xeon E5
Processor Speed: 3.7 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 10 MB
Memory: 32 GB
Boot ROM Version: MP61.0116.B25
SMC Version (system): 2.20f18