Help problem after i update my firmware here in KSA..

help me pls anyone admin..i am newbie here..ive got problem with my samsung galaxy y. i finish the update firmware of my phone, i reboot the phone then i see some of my application are missing and no more root access....then i try to root again my phone in recovery mode but its aborted..what should i do help me pls...any idea pls...thank you..

android version 2.3.6
baseband version S5360XXLC1
build number gingerbread.jplc1