Installation failed on Windows 11 for Blender 5.1.2

[StarAtty]

Python: Traceback (most recent call last):
File "C:\Program Files\Blender Foundation\Blender 5.1\5.1|scripts\addons_core\bl_pkg\bl_extension_ops.py", line 1504, in execute
cmd_batch = self.exec_command_iter(is_modal)
File "C:\Program Files\Blender Foundation\Blender 5.1\5.1\scripts\addons_core\bl_pkg\bl_extension_ops.py", line 2598, in exec_command_iter
self.exec_legacy(source_filepath)

File "C:\Program Files\Blender Foundation\Blender 5.1\5.1|scripts\addons_core\bL_pkg\bl_extension_ops.py", line 2731, in exec_legacy
bpy.types.PREFERENCES_OT_addon_install.execute(self, bpy.context)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
File "C:\Program Files\Blender Foundation\Blender 5.1\5.1|scripts\startup\bL_operators\userpref.py", line 830, in execute
bpy.ops.preferences.addon_enable (module=mod .__ name __ )
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
RuntimeError: Error: No module named 'NodeOSC_2'

[maybites]

this looks like your installation has gone wrong - check your addons folder. the addon folder should be called NodeOSC