I’M NEW TO MIKROTIK RB , MY FRIEND BEFORE HE WENT OUT OF THE COUNTRY , THREE DAYS AGO UPGRADED MY RB433 , TO 5.2 I GUESS , NOW WHEN I USE WINBOX TO OPEN IT BY MAC , IT SAYS THAT MY LISENCE NEEDS TO BE UPGRADED , I CLICK ON THE UPGRADE BUTTON , IT GIVES ME AN ERROR MSG 
LISENCE UPDATING : FAILED : THIS KEY IS UPGRADED AND HAVE CHANGED SOFTWARE ID 
- Don’t write in CAPITAL LETTERS, people think you are screaming
- Email support with your supout.rif file, forum users can’t help you with licenses
1-NTEK FEK 3AN AIRY YA A5U AL SHARMOUTA
2-HOW ?