Now tried the cd-image file then burn cd. Did exactly the same thing at the same point of 25% completed. Chris -----Original Message----- From: owner-photoforum@xxxxxxxxxxxxxxxxxxxxxx [mailto:owner-photoforum@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Bob Talbot Sent: 09 August 2004 08:09 To: List for Photo/Imaging Educators - Professionals - Students Subject: Re: Digital Photography - Chris > Digital PhotographyMy CD writer will not store 600MB of 15MBTiff files if > all are saved at once. > Anyone else had similar experiences. Anyone with ideas as to how to fix. > Chris, Simple answer 1) Always select the option write to a "disk image" first: Which burner software do you have? 2) Make sure your PC is not doing anything else intensive while burning - I'm sure you wouldn't be doing any surfing of the internet etc ... I comment because my ancient 350MHz system is 100% reliable when I follow the above two bits of advice but break either of them and it becomes flaky, Bob