BuildTasks.Csc task could not be loaded from the assembly?

Question

I feel guilty asking a question like this around here, but I\'m at a loss and would appreciate some help.

A proof-of-concept like web application was built on one PC

Answer 1

Right Click on Solution. Go to Manage Nuget Packages for this Solution. Search forMicrosoft.Net.Compilers on Browse Section.

Answer 2

For me I was trying to open a MVC5 project in VS 2013 and I was getting this error, Opened it in VS 2017 and up it worked just fine.

Answer 3

I got this error when I created a new branch for my project.

It drove me crazy for an hour. I tried most of the suggestions over the internet including the accepted answer to this question.

I then closed the project, opened it again, cleaned it and the error is gone. So this means this could be cache issue.

Anyways, just wanted to share.

Answer 4

• Right-click on your solution.
• Go to Manage Nuget Packages.
• Search for Microsoft.Net.Compilers.
• Install or update on dependent projects as necessary.

Answer 5

Deleting these three directories solves the problem.

• /packages
• /bin
• /obj

NOTE: delete both /bin and /obj from all projects included in the solution (including Test projects).

Answer 6

In my case, the solution was:

1. Right Click on Solution.
2. Go to Manage Nuget Packages for this Solution.
3. Search for Microsoft.CodeDom.Providers.DotNetCompilerPlatform.
4. Uninstall the searched Package.
5. Restart the Visual Studio.