The file name `pes12 rld.dll` seems to be related to "Pro Evolution Soccer 2012" (PES 2012), a popular football simulation video game developed and published by Konami. The "rld" part of the filename could imply that it's associated with a crack or bypass for the game's copy protection, often created and distributed by groups to circumvent the licensing mechanisms of software.
Using such files can pose significant risks, not only because they are illegal in many jurisdictions but also because they can contain malware or other harmful code. These files can compromise the security and integrity of your system, leading to potential data loss or unauthorized access to your personal information.
If you're experiencing issues with PES 2012 or any other legitimate software, the best course of action is to seek support from the official publishers or authorized distributors. They can provide legitimate solutions to any problems you might be facing, including issues with installation, performance, or compatibility. Additionally, keeping your software up to date through official updates and patches can resolve many common issues while also ensuring that your system remains secure.