You will need write permissions on the AutoPIPE installation directory before you can place files into this folder (ex. autopipe.exe, ap_mfc_orig.dll , etc..). Following are the steps to set up install directory permissions
Note: instructions below indicate v11, however the same can be used for v11 and higher.
User groups should now be able to write files to Bentley AutoPIPE installation folder.
How to install a patch sent by Bentley AutoPIPE development team?
Installation - Release Notes - Download - AutoPIPE