Although I ordered a new cron server, but it seems unable to handle such a big number of cron jobs.
To warrant quality of SetCronJob's service, I had to stop receiving new users from Friday, Jan 08, 2010. SetCronJob will comeback after 5 days. I'll try to improve the cron processors, which don't work as expected now.
All existing users are not affected. You can still log in, create, edit your cron jobs.
I'm really sorry for this inconvenience. Hope to see you later :)
Nguyen An Thuan