The file (properly identified in the open-source community as MaxsuIFrame.dll ) is a specialized Skyrim Script Extender (SKSE) plugin framework. Created by the prolific combat modder Maxsu, this Dynamic Link Library (DLL) provides a core programming framework used by modern, precision-based combat mechanics in The Elder Scrolls V: Skyrim .
If you are currently experiencing issues with your game setup, let me know: Skyrim Maxsulframe.dll