Do you have the latest version of Disk Warrior? Did you try booting from the Leopard install DVD? Running Apple's diagnostic software from it? Jens On Dec 18, 2008, at 9:13 AM, Paul Moortgat wrote: > I updated to 10.5.6 via the update option under the apple. No > problem. Later I downloaded that update from Apple and I would > expand it. > I can't expand the dmg upgrade file because it's not recognized I'm > told. What can there be wrong? > I did the same at a friends place and it would expand there. Other > dmg files will expand normally. > That's my problem with this file. Is probably corrupt. > > My friends problem is more worse. I can't use DW. His less than a > year old iMac (10.5.6) will not allow to startup with DW. > Preview will not work and has another icon, his Canon Lide 50 > scanner will also not work. The software opens but when the scan > button is pressed nothing happens. > Is there besides re-install everything anything that can be done at > his place? Jens Selvig ...Lost in Montana...