Paul, Harold Fuchs and Brian Barker,
Very many thanks for your responses to my SOS call. Herewith answers
to your questions
Paul
Unfortunately I've no idea how to access XML and probably wouldn't
recognise any corruption there was. Have tried to get to it via
'search' and 'command prompt' but
Attempting to open an OOo.org scalc file I get the message"Format
error discovered in the file in sub-document content.xml at 2,1378571
(row,col)". have tried 'send to', system restore to a time previous
to my last entry into the file and in desperation have uninstalled and
reinstalled OOo 2.4 all