Problems with RE2 on PSP

I downloaded RE2 from the PSN Store only for the sake of putting it on my PSP cus I already have a hard copy of it. I was so syked to play it on PSP then I copied it to my PSP, it starts fine until it gets to the "This game contains..." it stays at that screen and never gets to the game, it works fine on the PS3 but oddly not on the PSP, I also downloaded Dino Crisis and that game works perfectly.

You need the latest firmware to run it. Mine works flawlessly.

Either go to the PlayStation website and find the PSP update page and do it via USB.

Or the easier way is to go onto "Network Update" which is on the first menu of the PSP and do it that way, but you will need a WiFi connection for this.

the AC Adaptor has to be plugged in?kasumifan