You might want to set Google Chrome or Firefox as your default web browser when dealing with Lightyear. If you're on Windows and you want to set this up, follow the steps below:
Press the windows key, and then type 'Default Apps'.
In the search results, select Default apps.
Under Web browser, select the Google Chrome/Firefox listed, and then select your choice of browser.
For more details, please check here. Google Chrome and Firefox are the highest recommendation as we do all our testing on these browsers.
If you insist on using Microsoft Edge, please ensure you have the latest version of Edge (Chromium) downloaded as any old versions are not compatible.