QI for IEnumVARIANT failed on the unmanaged server

On connecting to a remote VS host, you may receive a dialog from VMRCplus with the message:

"QI for IEnumVARIANT failed on the unmanaged server"

This may be caused by InstallShield. For a solution see https://support.installshield.com/kb/view.asp?articleid=q106194