Return of Reckoning

I've followed all instructions on the download page and am receiving the following error when pressing correct,
Have i done anything wrong?

Error starting: System.UnauthorizedAccessException: Access to the path 'C:\Users\Tom\Desktop\WAR\WAR.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, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode)
at RoRLauncher.Client.patchExe()
at RoRLauncher.Client.Handle(PacketIn packet)


Thanks,

Click the link above your post and look for War.exe is denied.