The vt_basic_doors.rar file you have requested: Tutorials and Guides / VTMs / Hammer Basic Doors Video Tutorial - 59.53mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
This tutorial will outline how to make basic doors, these include; Rotating triggered, up an down triggered and pivoted physical doors. Remember this tutorial is for creating doors only, do not expect to be taught any texture based work.