Manually re-downloading the specific "online fix" for your game and overwriting the existing files can often resolve loading errors.
The file is a 64-bit Windows executable (PE DLL). While its specific parent software isn't explicitly named in technical repositories, it is likely part of a Minecraft-related modding toolkit or a custom Redstone circuitry simulation tool, as "Redstone" and "Socket" typically refer to Minecraft automation and networking/inter-process communication. Troubleshooting & Preparation redstonesocketx64dll
Ensure your Microsoft Visual C++ Redistributables and DirectX are up to date, as these are often required for the DLL to function correctly. Manually re-downloading the specific "online fix" for your
DISM /Online /Cleanup-Image /RestoreHealth redstonesocketx64dll