Thank you Pio2001 for replying to my bleat.
Yes I have loaded some programmes recently to do with Audio stuff and I imagined this was the problem.
The problem now is that I have no idea which they (the programmes were? Bit of a Prat I know?). However, is there any log-files within Win98SE that can tell me what I have recently loaded, or do I start off-loading until it (the CDRom), starts to behave please?