Plutonium

how do i fix this?

Crash ID: 58362c92e71e4aeaae5605269e3eaf11
Plutonium.Updater.Core.Models.UpdateException: Failed to update file bin/plutonium-bootstrapper-win32.exe ---> System.IO.IOException: Incorrect function.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.WriteCore(Byte[] buffer, Int32 offset, Int32 count)
at System.IO.File.InternalWriteAllBytes(String path, Byte[] bytes, Boolean checkHost)
at Plutonium.Updater.Core.Updater.<Run>d__23.MoveNext()
--- End of inner exception stack trace ---
at Plutonium.Updater.Core.Updater.<Run>d__23.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 Plutonium.Updater.App.Windows.UpdateWindow.<UpdateWindow_Loaded>d__6.MoveNext()