This file is typically part of a driver package intended to improve the stability and performance of network adapters or specialized peripheral devices. The "x64" designation confirms it is built for 64-bit architectures, while "v5200" likely indicates the version or build number of the software.

Uninstall the current device driver and restart your PC to allow Windows to attempt a clean reinstallation.

Most essential system DLLs and drivers are delivered through the Microsoft Update Catalog or the Windows Update settings menu.