Thanks Robert, a full answer to why this is happening and what to do to achieve what I want. Many thanks.
I have an old version, I could of course use the update facility - which may or may not replace the existing version I have installed but running the uninstall.exe within the folder really ought to uninstall it and in fact it does absolutely nothing - except ask for permission to make changes to my hard drive then warn me that it will remove it from my computer, to which I click Yes. Since it doesn't feature (before running this) in my windows programs and features I assume I can just delete the...