plutonium launcher wont update

[Dirty UAs]

please help every time i try to downlonad the update for the launcher i get a message saying this: Crash ID: 9c79467950344553a4c0b3f1aaba73f1
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()

[HannesC]

Uninstall webroot, restart your PC and try launching Pluto again.