Hi Murray, I had this problem with Mail from the get-go (crash upon labeling something as spam). This issue, at least in my case, was addressed with the most recent 10.3 update. Have you tried running Software Update? System Preferences-->Software Update-->Check Now Michael On Apr 04, 2004, at 8:54 AM, Murray E. Milligan wrote: > Why is my Mail, in OS X 10.3, quitting when I try to place SPAM in the > junk mail folder? > > Any ideas?