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This is the error.

The "Xamarin.Forms.Build.Tasks.FixedCreateCSharpManifestResourceName" task could not be loaded from the assembly \packages\Xamarin.Forms.2.1.0.6526\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Build.Tasks.dll. Confirm that the declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask.Project

I've tried restarting VS, rebuilding the solution, rebuilding each project in the solution, and I tried the solution from the following:

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

However doing that just leads me to the following error:

Unable to copy file "obj\Debug\Project.dll" to "bin\Debug\Project.dll". The process cannot access the file 'bin\Debug\Project.dll' because it is being used by another process.

I looked into this one and it seems to be "solved" by restarting VS a lot. I was also getting this error before deleting the packages folder, but after restarting I was getting the "task could not be loaded" error.

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Scko
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  • check permissions on the folder. I ran into this same issue and that's what wound up solving the problem for me. I had moved my projects to an App Drive and you need to put your security on Explicitly even if you are an admin on the PC. – Bearcat9425 Mar 14 '16 at 14:45
  • If your using source control, make sure you have the solution checked out – InitLipton Mar 14 '16 at 15:15
  • @Bearcat9425 It looks like I have Full control on the folders. – Scko Mar 14 '16 at 15:24
  • @InitLipton Yes I have the solution checked out. – Scko Mar 14 '16 at 15:24
  • @Bearcat9425 okay so I think I solved it. On one of the cleans I noticed that it said it couldn't delete \Project\bin\Debug\Project.dll because access denied. So I deleted the file and cleaned and built the project again. It works now. The \bin\Debug folder now has a bunch of files in it where before it only had the one file. – Scko Mar 14 '16 at 16:08

1 Answers1

7

in solution explorer

right click on References -> Manage Nuget packages...

then

search: xamarin.forms

Author(s): xamarin Inc.

install or uninstall xamarin.forms package and restart VS

MohammadReza Moradi
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