here is the link to the app. which which has the options to installs the psn ca files , back up your original files and installs your orignail files,
dont deletethe app , as u will lose your backuped ca files . if this does happy just reinstall your fw
http://www.multiupload.co.uk/KAGN1BVIEA
so what u do it go threw the options and back up files then install the psn CA files
then reboot ps3 and use ****PSN
no major graphics etc just simple . will make it look better at some point