just take a look on this video http://www.youtube.com/watch?v=lNkRaQl_wS0


or
1) go to control panel- user account - change user account control settings
and scroll down to NEVER NOTIFY (CLICK OK and DO NOT RESTART) 
2) go to c:\window\ (and find system32 folder and take it ownership) MAY ITS TAKE SOME
MINUT...
3) GO TO c:\window\SYSTEM32 (AND RENAME timedate.cpl to timedate.cplbak)  and copy and
pest the new timedate.cpl made for this theme and done
 just restart and enjoy... :)