The "Xamarin.Build.Download.XamarinBuildAndroidAarProguardConfigs" task could not be loaded from the assembly

Question

So I enabled proguard on one of my application. I had some problems with it but I solved them all ( had to update proguard, make a symlink of android sdk without spaces )

Now I enabled pro guard on another application and i'm constantly getting this error:

The "Xamarin.Build.Download.XamarinBuildAndroidAarProguardConfigs" task could not be loaded from the assembly C:\Users\xxx\Desktop\xxx oud\packages\Xamarin.Build.Download.0.4.6\build\Xamarin.Build.Download.dll.  Confirm that the <UsingTask> 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.

Anybody knows a way to solve this? Not sure what more I could add

The issue is resolved after restarting my computer, thanks for the comment! — Jordy Dieltjens, Jul 06 '17 at 09:00

Jordy Dieltjens · Accepted Answer · 2018-02-24T14:44:13.033

28

I resolved my issue by restarting my computer

Edit: It seems restarting visual studio might be enough to resolve the problem

edited Feb 24 '18 at 14:44

answered Jul 06 '17 at 09:00

Jordy Dieltjens

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In my case I just had to restart VS – Akli Jul 08 '17 at 12:33
For mme it still persisted after that. U cleaned u project after restatt perhaps? – Jordy Dieltjens Jul 08 '17 at 23:36
It happened again just now, restarting VS was enough, anyway if I had not read ur post I would have searched the web for hours... – Akli Jul 10 '17 at 20:58
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+ close and let visual studio to start the emulator too. – Prageeth godage Jul 27 '17 at 05:05
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Restarting VS for Mac didn't work, rebooting the computer didn't work. – Justin Mar 24 '20 at 18:18

score 3 · Answer 2 · answered Mar 19 '18 at 00:40

Restarting Visual Studio or my computer didn't work for me. The correct fix is to modify the package version of Xamarin.Build.Download to something that works.

For me, it meant changing the packages that referred to version 0.4.7 to 0.4.3.

It seems that a lot of people have had trouble with 0.4.7.

The "Xamarin.Build.Download.XamarinBuildAndroidAarProguardConfigs" task could not be loaded from the assembly

2 Answers2