virus causing file folders missing, regedit and task manager disabled

Problem:
1. missing Folder Option
2. disabled regedit
3. disabled task manager
4. can run regedit on safe mode

1. Microsoft stopped any support of Windows XP SP2. Install SP3, all updates and IE 8.
2. [URL="http://virusinfo.info/showthread.php?t=9207"]Execute following script[/URL] in Manual disinfection
[CODE]
begin
ExecuteRepair(6);
ExecuteRepair(11);
ExecuteRepair(17);
RegKeyIntParamWrite( 'HKLM', 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\NonEnum', '{BDEADF00-C265-11D0-BCED-00A0C90AB50F}', 1);
RebootWindows(true);
end.
[/CODE]
3. Make a new log file after reboot.