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Error on instalation


On windows 7 i receive the following error when i try to install docker:
Manifest extraction failed: Could not find Windows Runtime type ‘Windows.Data.Json.JsonObject’.
at CommunityInstaller.InstallWorkflow.d__29.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at CommunityInstaller.InstallWorkflow.d__23.MoveNext()

what can i do?
Thank you