If your error message mentions malware, viruses, or security threats, your antivirus software is almost certainly the culprit. Even legitimate copies of Cars 2 can trigger false positives, as rld.dll shares code similarities with cracked versions.

: If the file is truly gone, you can manually place a clean copy of rld.dll into the game’s main installation folder or your system's System32 (and SysWOW64 for 64-bit systems) directories.

However, rld.dll also became widely distributed through "cracked" versions of games released by various cracking groups. In these contexts, the DLL file is modified or created specifically to bypass DRM (Digital Rights Management) protections. This explains why the file appears so frequently in discussions about torrented or otherwise unauthorized game copies.

He installed the game. Double-clicked the desktop icon. The screen flickered… and a small, scary window popped up:

: This typically happens if the file was deleted or never properly installed.

Before downloading files from random websites, check if your computer's built-in defense mechanism already has the file isolated.

: To keep your antivirus from snatching it again, go to your antivirus settings and add the Cars 2 game folder to your exclusions list.

It worked perfectly.

These tools generally work by scanning your system, identifying missing or corrupted files, and automatically downloading and installing the correct versions. However, always research any tool before installing it on your system.