Context menu scanner says I have BETA version, but it’s definately stable 468 (fresh installed)
Vista Home Basic x32
AMD Athlon 64
CIS ver. 3.8.xxxxx.468
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DOH!! 
This will undoubtedly be corrected in update. It’s not in the on-demand dialogue or the scheduled scan dialogue. It only appears in the title bar of the scan dialogue shown when using the context menu scan. Obviously this one snuck through to the keeper.
Ewen