Hey Vans91,
Would you mind navigating to our Launcher Troubleshooting Guide and taking a look at the section for launcher install issues? There are suggestions within the guide that will potentially resolve your issue.
Troubleshooting Launcher
This will also link you to our Wiki, Documentation, and other helpful sites when you get up and running in the editor. These are great resources for learning and troubleshooting issues you might have.
Cheers,