While working on Blazor Web Assembly 8.0. I was getting this error, while lunching the browser on debug mode.

Failed to launch debug adapter.

If you will go to the LauchSettings.Json file. You will see this
“inspectUri”: “{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}”,

The "inspectUri" property in the configuration is used to specify the WebSocket URL for debugging purposes when running a .NET project. This URL is typically used for remote debugging scenarios where you want to connect a debugger, such as Visual Studio Code or Chrome DevTools, to your running .NET application.

In my system, I have not installed chrome browser and i donot want to do remote debugging.

Work Around Approach to fix this issue.

Approach 1: Update to visual latest version. It was bug in Visual Studio 2022 17.8.1

Approach 2: If approach 1 will not work then comment out this line.

I hope this will help to some one.