SecurityScanner_LD.dll is a dynamic link library file that is a component of McAfee Security Scanner+. It is developed by McAfee, LLC and is designed to scan your computer for security threats and vulnerabilities. The Security Scanner LD module provides the core functionality for the application to perform its scanning tasks. It works by analyzing your computer's files, registry, and running processes to detect any malicious activity or potential security issues. If you encounter an error with SecurityScanner_LD.dll, it may be due to a corrupted or missing DLL file. You can try to resolve this issue by reinstalling the McAfee Security Scanner software, as this should replace any missing or corrupted DLL files. Additionally, you can try running a virus scan on your computer to check for any malware that may be causing the issue. If the issue persists, you may need to seek further assistance from McAfee support.