I've tried to launch from the shortcut and directly from the exe file as Admin. This is the error message I'm getting. I found someone else with this problem on another site and the solution was related to net framework 4.6 and 4.7
Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: ISTA.exe
Problem Signature 02: 4.1.21.17412
Problem Signature 03: 57bef91b
Problem Signature 04: ISTAGUI
Problem Signature 05: 4.1.21.17412
Problem Signature 06: 57bef91b
Problem Signature 07: 4cd
Problem Signature 08: 2e
Problem Signature 09: System.MissingMethodException
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789
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