Replying to myself in even more embarrassment.
Windows 7. Turns out his son - an army IT guy - had upgraded it to W7 Pro, he's now sent me the licence key.
When I get chance to spend some more time on this, rather a hectic few days at the moment, I'll try some of the suggestions on here and elsewhere I've posted.
If all else fails, I'll try to pull off the My Documents data and do a re-install using my Win 7 Pro disc.
Also I've now found that the owner has ordered one of these from Amazon
. not sure whether to try it - though will check it for viruses beforehand - or not. I'm somewhat suspicious so any knowledge or thoughts?
We have more and more laws, and less and less enforcement