Skyrim Osa.dll Disabled Apr 2026

A user with Skyrim AE v1.6.640 reported the error. Initial log showed:

SKSE64 plugins are compiled against a specific Skyrim EXE build number. OSA.dll from 2021 expects v1.5.97 (SE). If the user updates to AE (v1.6.640), SKSE64’s plugin loader performs a version check and refuses to load the DLL. skyrim osa.dll disabled

loading plugin OSA.dll plugin OSA.dll registered successfully The error message ceased. A user with Skyrim AE v1