Click the delete request then wait for the timer, if you haven't configured the time in your server the default is 1 day, then click delete again then put 00000000.
I also had this problem and no one replied LoL but I've solved it by my own xD
http://rathena.org/board/topic/61011-solvedclient-freezes/
You can solve it by putting your client date in #define PACKETVER in src/common/mmo.h
Hope this solves your problem too
Can anybody tell me if why does my client freezes after logging in but when using eAthena it doesn't.
Client: 2010-10-12aRagexeRE
Is it really normal that the client closes connection when you login?