I've got it!!
I had to move my web host to a decent one but I've got it!!
Hooper, I think you were correct in the first version of your reply

They didn't seem that bothered about helping me and didn't know a thing about vBulletin.
Parker, thank you for making this script known to us.
And a final thank you has to go to Karl at
KDA Web Services for sorting it all out (and reinstalling the MySQL database) - a truly first rate service.
Darren