Question Author
Thought I'd keep anyone interested up to date: the Editor has now replied, but it's supposed to be my fault of course,nothing has been improved on the site, & my enquiry to UserHelp has produced nothing so far. Seems such a pity that one's enjoyment of such an excellent puzzle should be ruined regularly by the apparent technical incompetence of the paper. I've tried following expert advice, re-installing latest Java update, etc --- everything, and must now rely on a friend in London who hopes to be able to submit it for me! Would be interested to hear from others still, as I don't think I'm THAT stupid or that it's really the user's fault at all. This farce has been going on every month for ages now!