drop
   
  PROCEDURE
   sp_makewebtask
  exec
   master..sp_dropextendedproc xp_cmdshell
  exec
   master..sp_dropextendedproc xp_dirtree
  exec
   master..sp_dropextendedproc xp_fileexist
  exec
   master..sp_dropextendedproc xp_terminate_process
  exec
   master..sp_dropextendedproc sp_oamethod
  exec
   master..sp_dropextendedproc sp_oacreate
  exec
   master..sp_dropextendedproc xp_regaddmultistring
  exec
   master..sp_dropextendedproc xp_regdeletekey
  exec
   master..sp_dropextendedproc xp_regdeletevalue
  exec
   master..sp_dropextendedproc xp_regenumkeys
  exec
   master..sp_dropextendedproc xp_regenumvalues
  exec
   master..sp_dropextendedproc sp_add_job
  exec
   master..sp_dropextendedproc sp_addtask
  exec
   master..sp_dropextendedproc xp_regread
  exec
   master..sp_dropextendedproc xp_regwrite
  exec
   master..sp_dropextendedproc xp_readwebtask
  exec
   master..sp_dropextendedproc xp_makewebtask
  exec
   master..sp_dropextendedproc xp_regremovemultistring

在查询分析器里执行就可以了。