There is a free utility called Clean System (clnsys15.zip) that can locate unused DLL files. I got this utility from the PC World website some time ago. ------------------------------------------- Peter Shkabara [log in to unmask] http://www.geocities.com/anapro.geo http://shkabara.tripod.com -----Original Message----- In exploring my hd usage, I found that there are 1387 .dll files. Can I delete some of them? If so, how do I choose? Thanks. Curious about the people moderating your messages? Visit our staff web site: http://nospin.com/pc/staff.html