1.65

i'm intend to flash my firmware by Recovery Flasher, but in spite of where i get it, it always shows as "corrupted data" in my xmb, what can i do now??? i'm in 6.35 ofw,and mine is psp 2000. i got it here: http://filetrip.net/f25191-Hellcat%27s-Recovery-Flasher-1-65.html and...