Hardly something to do with Mail. I have been running mail for weeks without a reboot. More likely some hardware issue, or perhaps you need to run Repair Permissions using Disk Utility. Do you have USB-devices other than the original mouse and keyboard attached? They used to be culprits in earlier versions of OSX, which reminds me, what OS are you using ? Perhaps this link can help: <http://search.info.apple.com/?search=Go&lr=lang_en&kword=&q=kernel%20panic> Cheers, Kim On 30/03/04 2:10, "T Molnar" <tam at em.ca> wrote: > Here's something I have been wondering about. > Lately, if I leave the mail app open for long periods of time, like > over night, when I wake up in the am > I am greeted by the multi language warning that I need to restart the > computer because of a kernal panic. > > Anyone have any more information on this? > > thanks > tim