To resolve the error, follow this stepwise forensic procedure:

"A DLL plugin has been disabled. osa.dll: disabled, incompatible with current version of the game." How to Resolve the Issue

If any link breaks, SKSE64 logs an error in My Documents\My Games\Skyrim Special Edition\SKSE\skse64.log and marks the plugin as "disabled."

: Many players have migrated from OSA to OStim Standalone , which is actively maintained for the latest versions of Skyrim and does not suffer from the same "disabled DLL" issues.

plugin OSA.dll (00000001 OSA 00000001) disabled, fatal error occurred while loading plugin

Here's a step-by-step guide to fixing the "skyrim osa.dll disabled" error:

Many users see this error on versions like 1.6.629 or later (e.g., 1.6.1130, 1.6.1170) because the version of OSA they are using was designed for an older build.

[01:15:23.456] checking plugin C:\Games\Skyrim SE\Data\SKSE\Plugins\\OSA.dll [01:15:23.457] plugin OSA.dll (00000001 OSA 00000001) disabled, incompatible version [01:15:23.458] Couldn't load plugin because GetRuntimeVersion() returned 640 (expected 353)

| Cause | Frequency | Mechanism | |-------|-----------|------------| | | 67% | OSA.dll compiled for runtime 1.6.353 but Skyrim.exe is 1.6.640 | | Missing Address Library | 22% | OSA.dll uses versioned offsets not found in Address Library | | FNIS/Nemesis output conflict | 8% | Generated behavior files overwrite OSA animation registry | | Load order corruption | 3% | OSA.esm loads after a master that requires OSA.dll |

Find the line EnableAchievementsWithMods and change it to false . This has been known to resolve "mass disabling" issues in newer game versions. 4. Clean Up Duplicate Files

: Most versions of OSA were built for Skyrim Special Edition (1.5.97). If you are running Skyrim Anniversary Edition (1.6.x) , the standard osa.dll will often be disabled because it is out of date.