ENC1003 C# Changes made in project will not be applied while the application is running

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I am getting this incredibly annoying warning for every C# file in my ASP.NET Core project when I debug it after hitting F5:

Because this error appears only during runtime (not during build), I can't even suppress it using the "Suppress warnings" box in the project properties. I've tried putting 1003 and ENC1003 in there and it still appears, cluttering up my warnings window. Does anyone know why this thing is appearing and how I can get rid of it?

UPDATE: It doesn't fix the fundamental problem which is that the warning is generated in the first place, but I've found a way to suppress it. Create a GlobalSuppressions.cs file at the project root, and add the line:

[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage(null, "ENC1003")]

Related Github issue: https://github.com/aspnet/AspNetCore/issues/13284


Try to get the Lastest Version of your Visual Studio and try again, If Persist, Install Visual Studio 2019 v16.4 Preview 2.

Also Check out the following content>> https://developercommunity.visualstudio.com/content/problem/601258/edits-were-made-to-the-code-which-cannot-be-applie.html. You can also track this same issue on ASP.NET Github: https://github.com/aspnet/AspNetCore/issues/13284. We already have a fix for it, which will be available on Visual Studio 16.4 Preview 2

I was facing the same problem in my Visual Studio 2019, and therefore I had to update VS to the latest version and I was good to go.

Hope helps someone :) :)

ENC1003 C# Changes made in project will not be applied while the , I was facing the same problem in my Visual Studio 2019, and therefore I had to update VS to the latest version and I was good to go. You can go to build options and select the option to build solution (build->build solution) , this should solve the problem and you will able to continue your project in solution mode. Stack Overflow Public questions and answers; Teams Private questions and answers for your team; Enterprise Private self-hosted questions and answers for your enterprise; Jobs Programming and related technical career opportunities


You can go to build options and select the option to build solution (build->build solution), this should solve the problem and you will able to continue your project in solution mode.

Disable editor warning "changes made in project will not be applied , made in project will not be applied while the application is running" that the changes don't match with the current running application and  Disable editor warning "changes made in project will not be applied while the application is running" visual studio 2019 version 16.3 windows 10.0 oa reported Sep 27, 2019 at 10:23 AM


In the past, while debugging UAP apps, if I edit the code while the app is running it will let me know that it needs to recompile the whole application. (Usually when adding some sort of static variable or removing a function etc... Tht in and of itself is not a bug.

The bug is that when I STOP debugging, the error remains until I restart the IDE.

I would argue that suppressing the warning is a horrible idea - It means that you have no way of knowing if the code changes you made during debug were implemented.

Instead, try restarting the IDE and doing a clean and build. I don't remember what I do to make the error go away anymore, as I have not experiences this bug in at least 8 months.

ENC1003 C# Changes made in project will not be , C# Changes made in project will not be applied while the application is running. Every time I create a brand new ASP.NET Core 3.0 MVC application project,  When you run a project and while project is running, you make a change in view(.cshtml) and go back and refresh the page (while application is running) it used to show the change made. But is ASP.NET Core 3 I have to run the project again to see changes made in view.


How to - Use Edit and Continue (C#), While debugging, in break mode, make a change to your source code. Some types of code changes are not supported by Edit and Continue. 7. Went back to Visual Studio 2008 to try running the project again from there, but for some unknown reason it was back to where it was when the problem occurred. I looked at the XAML, and it had the changes that I made but for some reason Visual Studio 2008 was not recognizing these changes.


Edit & Continue, Just-in-time Debugging, and more debugger , ENC1003 C# Changes made in project will not be applied while the application is running. You can go to build options and select the option to build solution  Make the changes in the app as normal then from the command line run. msbuild project.csproj /t:Install /v:d > build.log. If you get the same problem, i.e the app is NOT updated with the changes. attach the build log so we can take a look at what is happening. If possible make a note of which file was changed.


Live Reloading Server And Client Side ASP.NET Core Apps with , ENC1003 C# Changes made in project will not be applied while the application is running. I am getting this incredibly annoying warning for every C# file in my  If you are currently running other pipelines, you may not have any remaining parallel jobs, or you may have hit your free limits. To check your limits, navigate to Project settings, Parallel jobs. After reviewing the limits, check concurrency to see how many jobs are currently running and how many are available.