Hi all. Before you post a comment about games that dont run please try this...
Turn off all plugins then Change your VHS settings:
Go to VHS menu by pressing 'select' in the main screen, change CPU XMB and CPU GAME speed to '333', then change UMD ISO mode to 'Sony NP9660'.
or
Try this...
http://www.gorilla-isos.co.uk/2009/10/how-to-play-555-and-600-psp-isos-on.html
Thanks for visiting
LiTERALY09
Gorilla-ISOs Admin
