点开多人游戏就会跳出这个窗口，请问如何解决

Error while starting game in multiplayer mode
System.UnauthorizedAccessException: Access to the path 'd:\steam\steamapps\common\Subnautica\Subnautica_Data\Managed\NitroxPatcher.dll' is denied.
   at System.IO.FileSystem.CopyFile(String sourceFullPath, String destFullPath, Boolean overwrite)
   at Nitrox.Launcher.ViewModels.LaunchGameViewModel.<>c__DisplayClass33_0.<<StartMultiplayerAsync>b__0>d.MoveNext() in Nitrox.Launcher\ViewModels\LaunchGameViewModel.cs:line 299
--- End of stack trace from previous location ---
   at Nitrox.Launcher.ViewModels.LaunchGameViewModel.StartMultiplayerAsync(String[] args) in Nitrox.Launcher\ViewModels\LaunchGameViewModel.cs:line 257