As usual this is a false positive.
I uploaded yet another build, which at least for now should work again. Guess it’s time to figure out what Defender lately thinks it has to complain about…
Please reinstall using your web installer. If you didn’t keep it, you can get one here:
Just to be clear: absolutely nothing that vorpX does is even close to being “potentially unwanted”, malicious, harmful or anything else some AV program may come up with to frighten its users. All it does is injecting itself into other programs similar to many, many other programs, which obviously is necessary for vorpX to work.
To avoid issues like this altogether add the vorpX program folder to the Defender exclusion list. Usually that would be: C:\Program Files (x86)\Animation Labs\vorpX