During installation, the startup Lisp file should contain the following lines:

;;;;; cadenas setup BEGIN (DON'T MODIFY!!!) ;;;;
(defun-q cadenasstartup()
(vl-load-com)
(setq lspFile (findfile "[CADENAS]\iface\autocad\Common\cadenas.lsp"))
(if lspFile
(progn
(princ (load lspFile "Error: cadenas.lsp not loaded!"))
)
)
)
(setq s::startup (append s::startup cadenasstartup))
;;;;; cadenas setup end ;;;;

The file can be found in the following paths:

These entries are automatically removed during a deinstallation.

In addition, the following files are registered during an installation:

(regsvr32.exe /s [DLL_FILE])

These DLLs are automatically unregistered during deinstallation.

You can manually unregister the DLLs via "regsvr32.exe /u [DLL_FILE]“.