If the above troubleshooting steps do not resolve the issue, you may need to try more advanced solutions:
Corrupted system files can cause issues with DLL files. Run a System File Checker (SFC) scan to identify and repair any corrupted system files: rld.dll for cars 2
If you just want to play the game, consider buying it on Xbox 360, PS3, or Wii. Those versions never use DLL files and require no technical tinkering. If the above troubleshooting steps do not resolve