Disconnect the USB, go to the Game menu on your PSP, and select the Memory Stick to find your game. Tips for Maximizing Your PSP ISO Club UPD Experience
is legal, but you should only use it with games you have personally dumped from your own physical UMDs to stay within fair use principles. Storage and Organization psp iso club upd
Adjustments to ISO/CSO files to make them work better with current custom firmware (CFW) versions or emulators like PPSSPP. Disconnect the USB, go to the Game menu