Mtk's Blog: [Unity3D] Blender could not be found.を解決するには
Unity shows three "Blender could not be found." errors (even though Blender is no longer required) · Issue #276 · MozillaReality/unity-webxr-export · GitHub
Unity】「Blender could not be found.」エラーの対処法
Blender could not be found" Unity Error · Issue #4 · Unity3D-Wine-Support/ Unity3D-on-Wine · GitHub