It's been a normal problem lately, and it isn't your computer. We've seen a huge flux of new players on lately so I am trying to compensate. This is one of the symptoms. With the new patch I hope to have this problem a bit more under control. Next time for Grand Creation specific problems go here:
http://www.projecteq.net I find myself checking the EQEmu forums less and less so you'd get a quicker answer there.