My girlfriend recently got a pretty decent laptop with windows 10. Recently an issue has come up where when she opens one of two applications that use .net framework to run (ShareX and MTG:Arena) it gives her the error message "To run this application, you must first install one of the following versions of the .NET Framework: v4.0"

I like to think I'm decent at troubleshooting PC issues, I have done a ton of googling and...