hey guys, I did some more search and I found out that the error means that I'm trying to run homebrew on a non-homebrew enabled psp. (but I have CFW m33-3 3.90 !) I also checked a lot of downgrades and 1.50 kernel add-on and they all required PSP Phat (mine is a slim). Can anyone help me? The apps I wanna run are a divx Player (PSPlayerMT), a dictionary (ACE), and a PDA\Organizer Tool (PSPPDA). If anyone has these kind of programs working on a custom firmware slim, please tell me where you downloaded them and how did you manage to get them work? that would be really helpfull. thanx!