[HELP] with shaiya server

I have the following problem, I delete the folder "SHAIYA_SERVER" and all content to reinstall the server, but I can not remove and delete the folder, how I can delete the folder and everything having to do with it

use remove in files ep 4.5,
code for create Batch file
@echo off
net stop shaiya_server
net stop shaiya_serverf
pause
@exit

and

stop/delete
@echo off
net stop ps_dbAgent
net stop ps_gameLog
net stop ps_game
net stop ps_gamewar
net stop ps_login
net stop ps_session
net stop ps_userLog
net stop PSM_AgentClient
net stop PSM_AgentServer
net stop shaiya_server
net stop shaiya_serverf
echo.
sc delete ps_dbAgent
sc delete ps_gameLog
sc delete ps_game
sc delete ps_gamewar
sc delete ps_login
sc delete ps_session
sc delete ps_userLog
sc delete PSM_AgentClient
sc delete PSM_AgentServer
sc delete shaiya_server
sc delete shaiya_serverf
pause
@exit

@echo off
sc delete shaiya_server
sc delete shaiya_serverf
echo NT Services for Shaiya deleted
pause
@exit

and delete.

delete server linked in database.
and user in security
xD