I would try removing Norton anti-virus. It can cause more problems in Tiger than it can cure. ..lj On Jul 27, 2005, at 10:44, revDAVE wrote: > I upgraded recently from 10.3.9 to Tiger 10.4.1. > > More than 30 percent of the time - when I shut down the computer > or restart > - at the very end - I will get a kernel panic. > > - this is a second computer - and older G4 single-processor 450 - > and I'm > hardly using it at all - mainly just safari - Norton anti virus > 10.0.1 and a > few little programs like tex-edit etc... > > - I am using Canon printer driver software however... > > - I have shut down most of the system preferences that might be > problematic... The only ones running now are my Logitech mouse > software .. > > > Q: Does anybody know what's causing these kernel panics during > shutdown? > > - I could upgrade to Tiger 10.4.2 - however I would like to solve > this > problem first ... > > > > -- > Thanks - RevDave > CoolCat at hostalive.com > [db-lists]