Hi @Sandi Ruther ,
Try the following steps to see if your app works.
- Access the Control Panel;
- Click Uninstall a program;
- In the left menu click on Turn Windows features on or off;
- Click the (+) next to .NET Framework 4.8 to expand the session;
- Check the options .NET Framework 4.8 advanced services,ASP.NET 4.8 and WCF Services;
If the answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.