In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.
Go to C:\Users\YOUR_USER_NAME\AppData\Local and delete the yuzu folder. Try the installer again.
Keep in mind that AppData is a hidden folder. A fast way to reach it is writing %localappdata% in the address bar of the file explorer.