AutoCAD startup

Plant 3D 2026 is started with the confirmed contract:

acad.exe /product PLNT3D /language ru-RU /b <absolute-local-script>

The generated script has one command:

_.NETLOAD
"<absolute local versioned PRecAnnot.Plant3D2026.dll>"

No /p, legacy LISP, OrthoLoader, UNC path, trusted-path mutation, or secondary dependency NETLOAD is used.