System UnauthorizedAccess Exception

[Depende]

System.UnauthorizedAccessException: Attempted to perform an unauthorized operation.
at Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
at Microsoft.Win32.RegistryKey.SetValue(String name, Object value, RegistryValueKind valueKind)
at Plutonium.Updater.App.ProtocolHandlers.Install(String protocol, String path)
at Plutonium.Updater.App.Windows.UpdateWindow.<UpdateWindow_Loaded>d__6.MoveNext()

I already added plutonium folder on localappdata to antivirus exclusions