Return of Reckoning

Error: System.UnauthorizedAccessException: Access to the path 'C:\Users\Ozkan\Desktop\ReturnOfReckoning-March2020\Warhammer Online - Return of Reckoning\WAR-64.exe' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at 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)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at RoRLauncher.Client.JbKDy9J5FinWMgdxyKJ(Object , FileMode , FileAccess )
at RoRLauncher.Client.Handle(PacketIn packet)
at RoRLauncher.Client.OmfoUCJhjT7sQWFldwT(Object )
at RoRLauncher.Client.OnReceive(PacketIn packet)
at RoRLauncher.Client.aVDAx2JYvQ7267th3Hp(Object )
at RoRLauncher.Client.Hnw1heD1Cx(Object )

how can i fix this problem

Make sure you removed write protection on all game files and subdirectories
Make sure torrent is turned off
Check not flagged by anti virus and if nessasary add game to exceptions list

Dont forget to "run as Admin"