ISScript.msi & Resize32.ocx Errors when installing from a server license.

Hi, 

I'm trying to install Hevacomp onto my laptop (Win7 64bit) from our companies server license. I have copied all of the files locally so that I can run the install and setup sequence, but I'm getting errors when trying to run HevaBanner.exe 

The error reads "Error starting up Hevacomp banner program. (339, Component, 'Resize32.ocx' or of its dependencies not correctly registered: s file is missing or invalid in HevBanner25)"

I have checked through the files and all seam to be in order from when I loaded up another work laptop with the same files 6 weeks ago. 

When I try and run the "Bentley select server license client" (windows installer package) it comes back with an error that reads "1: The InstallScript engine is missing from this machine. If available, please run ISScript.msi, or contact your support personnel for further assistance."

again, theres no ISScript.msi file anywhere. 

Does anyone have any ideas that might help with this pickle?

Many Thanks

Adrian