(adsbygoogle = window.adsbygoogle || []).push({}); ever since changing my mac address i had to go back to different firmwares and now multiman freezes and gives me a black screen anyone know how to fix it?

i am on 4.50 ita

MY multiman dont work so i used irishman to do back ups

It's because the multi man you are using is for the previous firmware you were on. It'd be best for you to delete your HomeBrew applications and re-install them for the corresponding firmware.