propper prolem

when i try to use propper gertiing this mssage “messeage” modified usersname for security reason

** Executing…
** Command: propper
** Parameters: -game “d:\program files\steam\steamapps\USER\garrysmod\garrysmod” “d:\program files\steam\steamapps\USER\garrysmod\garrysmod\maps\propper\pristube”

  • Could not execute the command:
    propper -game “d:\program files\steam\steamapps\USER\garrysmod\garrysmod” “d:\program files\steam\steamapps\USER\garrysmod\garrysmod\maps\propper\pristube”
  • Windows gave the error message:
    “Toegang geweigerd.”
    last line translate as “acces prohibited.”

Do you have admin access on that account?

Make sure the folders you are saving the .mdl into exists.