I would update to rebug 4.46 lite. It is easy to do download the file and then make a folder on an USB formatted to fat32 named PS3 and then inside that make another one named UPDATE and renamed the one you downloaded to PS3UPDAT.PUP.
Then put on the USB and put it in the USB that is closest to the Blu-ray and then go to update in xmb and click on from a storage device and then it will do the rest for you. Also will have to update multiman for it to work.
I like rebug and any Cfw you choose to use can be updated the same way. Thanks.
Latest Rebug: http://www.ps3news.com/ps3-cfw-mfw/r...01-05-updated/
Latest multiMAN: v04.46.02 and v04.46.03 / v04.46.04