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.
CodePudding user response：
After I installed Visual Studio again it worked.
CodePudding user response：
Just do this steps:
- Close Visual Studio.
- Navigate to the sub-folder of Project's main folder.
- Delete .vs folder and open project again in Visual Studio and RUN
if don't work just click on build button in app bar in visual studio then click on Rebuild Solution and run