win2000 patch is not playing

Users questions: Why win2000SP4 of this patch is not playing it? KB926247, there are other, Why? When installed: Setup can not continue because the required KB926247 installed one or more prerequisites fails. For more detailed information, please check the log File: c: * winnt * kb926247.log
Experts answer: not have to fight so the patch, and some patches but affect the system speed. Have a firewall on it.
  • This information provided by the users.Thanks!