I have got the same thing going on with my PowerBook G4 1.67 Ghz system. It started after one of the recent patches. I have a slight difference, as mine does not freeze. The prompt never stops coming back, and I am forever clicking the OK button. If you find a resolution to this, please post a summary. good luck, Jerry Donald Grant wrote: > A problem has developed on my computer running OS 10.4.11. I am no > longer able to log on to the internet. When I attempt to check my > network preferences, I get the following message "Your network settings > have been changed by another application". When I check the "OK" button, > it freezes the Preference Folder and I have to use "Forced quit" to get > back control of the computer. Anyone have an idea of what has taken > place and how to correct it? > > EMac G-4, 1.24 GHZ processor, 512 MB ram > _______________________________________________