SP4 is supposed to have fixed this problem, did you install something old after you applied SP4? you should try to either re-apply SP4 or apply later service packs
if you go to www.dejanews.com and search for "Mesg 17308 : lazywriter", you will see a lot of messages about it and most of them saying SP4 fixed the bug
是SP4,没有改变过,我觉得是lazywriter的问题,但不知道为什么和怎么解决.