Command Line Restore from Acronis True Echo

I have been succesfully using backup .bat files to run Acronis backup tasks to a Remote Backup Server on my network. I am now trying to create .bat files to retore a single file from that same server. I am experiencing some problems. I have a list of command line functions for Acronis True Echo, however it seems I am missing a piece or two.

Here is what I have:
cmd /c
c:
cd\
cd "Program Files\Acronis\TrueImageEchoWorkstation\"
trueimagecmd /filerestore /index:0 /filename: \\RBUSERVER\Workstations\Computername\Computername_C.tib
pause

The \index:0 should be the command to restore from the last incremental. \Filename: Being the path to the archive where the image is stored.

My result is: Selected file is not a file archive.

The example from Acronis is written as: trueimagecmd /filerestore /filename :E: /backups/myproject.tib

This example will restore all files.
In addition to clearing up the error I am having I am only looking to restore a single file.

As a note: I am in the process of upgrading to ABR which will come in the near future. For now this is what I am working with.