This has been happening ever since one of the early patches this year. Late January if I'm not mistaken.
This happens at random intervals and I can't seem to lock it down to a single aspect, but I'm guessing it is some form of video confliction. My pc will randomly lock for a few seconds (freeze with an irritating sound glitch) and then reboot itself. This has happened just running through a zone as well as reaching a zone point, screen goes black, Downloading Data displays in the bottom right of the display, and then reboots. No help in the event viewer and there are no conflicts registering in the control panel. Sometimes I can play for a week solid and not have a single reboot, other times it can be as bad as 3 or 4 a night.
Vital PC Specs:
P4 2.4 GHZ
Asus P4P800 with 8x AGP and 800 MHZ FSB
512 PC3200 DDR Kingston RAM
ATI Radeon 9800 XT 256MB DDR (8x AGP)
Video card drivers are fully up to date. Motherboard drivers are factory release. This is a fresh OS install with FFXI and a few small programs installed. I have no antivirus or firewall installed on this box. This pc sits behind a router that is shared only by my laptop.
If anyone has any input or suggestions, I would greatly appreciate it. Thanks.