ASComm.NET
During installation of ASComm.NET or an OPC Server a "Fatal Error" dialog appears with the message "Installation ended prematurely because of an error."
There is a problem with the Visual Basic Script runtime on your system; the vbscript.dll needs to be registered.
To register the Visual Basic Script runtime:
From a command line: regsvr32 %SystemRoot%\system32\vbscript.dll