Thanks to Mike for the connection to Apple support: I am confident I will be able to have the problem resolved. Appreciatively. Dave Mike said: "Have a look at this thread on Apple's discussion forums, I think this is caused by a security update. You didn't mention what OS version you're running. http://discussions.apple.com/thread.jspa?threadID=1712387&tstart=0 Mike On Jan 16, 2009, at 8:23 PM, Da Pen wrote: > Your network settings have been changed by another application