Sometimes your system lacks the necessary permissions to read the DLL file properly.
Sometimes Windows restricts the game from accessing its own DLL files due to permission limits.
When the system can't find the rld.dll file—either because it was quarantined by your antivirus, or because it was corrupted during installation—you will encounter error messages preventing you from starting the game. You might see one of the following, which are all variations of the same fundamental issue: