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After several hours and reading lots of other similar problems I eventually downloaded 'ISOBuster 'and after the third attempt it read the disc, opened it and the software started copying itself to my hard drive. I then managed to copy the disc to my hard drive and am about to check the programmes are running correctly; so far the only problem seems to be with Word2002 saying an error in the autoexec file or something!!
Anyway,must get on ,but thanks to everyone who has tried to help me. I'd like to be able to say that if I can help anybody - but I'd better not!
Cheers