If you have updated your game to version 1.6.640 or newer (the current standard for Anniversary Edition), the standard version of MaxsulFrame will fail to load. How to Fix MaxsulFrame.dll Errors
The "MaxsulFrame.dll" file is a vital associated with modern combat and animation overhauls in Skyrim Special Edition (SSE) and Anniversary Edition (AE). Specifically, it is the core library for the IFrame Generator RE mod created by prolific modder Maxsu. What is MaxsulFrame.dll? Skyrim Maxsulframe.dll
Without this plugin, Skyrim's engine cannot natively track when a player should be "immune" to damage during a specific animation frame, leading to combat that feels clunky or unresponsive. If you have updated your game to version 1