Please first make sure that you have the Oculus runtime 0.8 installed (link below).
https://developer.oculus.com/downloads/pc/0.8.0.0-beta/Oculus_Runtime_for_Windows
In most cases that should suffice. If that is already the case or does not work for you, you may have to do a manual adjustment in an .ini file:
C:\Users\[USER]\AppData\Local\Animation Labs\vorpX\Devices\OculusRiftDK1.ini
The value that might have to be changed slightly is called fDmLayerOffsetX.
The default shows 4.800000. Try lower values first in 0.05 steps. It’s more likely that the value is too high than that it is too low.
If you can’t see the AppData folder, you will have to enable “Show hidden files” in Windows Explorer.