Search your computer for "Addictive Drums 2.dll" or "Addictive Drums 2.vst3." If you find multiple copies in different folders, delete the ones that do not match the path shown in the XLN Online Installer.

Sometimes the internal database of the plugin gets corrupted. You can force AD2 to rebuild its internal map:

If you're still struggling to find the bus layouts or specifically the "Top" layout in Addictive Drums 2, it's likely due to the software's evolving interface or specific DAW compatibility issues. Always ensure your plugin and DAW are up to date. I hope these steps guide you in the right direction.