Return of Reckoning

Error Downloading updater:
System.IO.IOException: Der Prozess kann nicht auf die Datei "C:\Users\Megaport\Desktop\Warhammer\ReturnOfReckoning-March2020\Warhammer Online - Return of Reckoning\RoRUpdater.exe" zugreifen, da sie von einem anderen Prozess verwendet wird.
bei System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
bei System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
bei System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
bei RoRLauncher.MainWindow.GC6aVMtYjaZjvoA4lIW(Object , FileMode , FileAccess )
bei RoRLauncher.MainWindow.frUNlTd9PQ(Object , DownloadDataCompletedEventArgs )

I'm having the same problem. I've turned off my firewall/av protection, but no dice.

yes same here..

torrent still running?

Remove write protection on all game files and subdirectories

Depending on the Windows version, you cant always turn off all write protection. Try running as admin.