Process with an Id of XXXX is not running | Visual Studio 2022

Question

I've had this problem since this morning and have tried various options, but haven't found a solution to my problem yet.

The problem is that every time I want to start my Blazor web application I get this error message:

I tried several ways to solve this problem, however all I found was for IIS-Express with this problem. I use several startup projects, and I don't find any solution for my problem.

Answer 1

I had the same problem this morning after updating the Microsoft packages in my WASM-project. Updating Microsoft.AspNetCore.Components.WebAssembly.DevServer 6.0.8 to 6.0.9 resulted in the error mentioned. Updating to .NET 6.0.109 SDK solved this. So in general: after updating the DevServer package you need to be sure you have the corresponding .NET SDK version (or higher) installed.

I'm using VS 2022 17.4.0 preview 1.0.