Decoding error installing latest version

[cassiusgn]

Using the Xenko launcher, I am trying to install 2.1.1.1:

An error occurred while installing version 2.1.1.1. Error code 1 while running install package process [C:\Program Files\Silicon Studio\Xenko\GamePackages\Xenko.2.1.1.1\tools\packageinstall.exe] ERROR: Decoding error bij SiliconStudio.Packages.NugetStore.RunPackageInstall(String packageInstall, String arguments, ProgressReport progress) bij SiliconStudio.Packages.NugetStore.OnPackageInstalled(Object sender, PackageOperationEventArgs args) bij NuGet.PackageManager.OnInstalled(PackageOperationEventArgs e) bij NuGet.PackageManager.Execute(IPackage package, IPackageOperationResolver resolver) bij NuGet.PackageManager.InstallPackage(IPackage package, Boolean ignoreDependencies, Boolean allowPrereleaseVersions) bij SiliconStudio.Packages.NugetStore.<InstallPackage>d71.MoveNext() --- Einde van stacktracering vanaf vorige locatie waar uitzondering is opgetreden --- bij System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() bij System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) bij SiliconStudio.LauncherApp.ViewModels.PackageVersionViewModel.<>cDisplayClass520.<<Download>b_0>d.MoveNext()

The error also affects installing 2.0, and is persistent. Any ideas?

Greetings, Cas

[LaurentOngaro]

Same issue for me. I precise that xenko is not installed in its default install folder.
thanks for your help

[cassiusgn]

I was just able to install on my laptop without this error.

I then copied the C:\Program Files\Silicon Studio\Xenko\Cache\ *.nupkg files from my laptop to my main computer, and after that, the installer worked there too.

[LaurentOngaro]

Thanks for your answer, I've just managed to install it to.
I have uninstalled all the previous versions and removed all references to them in the windows registry.
For that I've used BCuninstaller for launching the Xenko uninstall program, but also removed all the others (invalid) uninstaller references. It also removed all associated registry entries.
And after that, install runs like a charm.