Websken

I have scheduled my computer to do backups every Sunday evening at 7 p.m. This is not a problem because I always receive a message telling me that my backup was successful. However, the following morning, when I switch on my machine, I too get this 'catastrophic failure' message. This has only started happening during the last 6-8 weeks or so. Not being particularly 'au fait' with computers, I'm not sure what I should do. I've had a quick look at my backup disks and the information seems to be there. I would appreciate any suggestions, preferably in words of one syllable.

Regards,
Websken