I had the same problem that you had and, fortunately, I found a solution. I hope it works with you too.
The problem was in the name of my user account. My name is a double name, so my user account has a space and, in addition, an accent as well. Ansys doesn't know how to read any of this characters. So, when it's searching for an archive necessary to open the program, it crash. It's like a bug or something, I don't know for sure. The fact is that Ansys doesn't know how to read strange characters in the names of the folders in which it is installed.
The solution was to uninstall the program, create a new user account (with letters and nothing more) and then reinstall it. Worked perfectly here.
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