there old games in CSO or ISO and they work fine in devhook. is there any problem with 3.40OE? This is what I have done.: 1. Formated the mem stick using the PSP. 2. Put the games in ISO folder. I tried the working games in devhook like powerstone but its not working in 3.40OE PS: I use this easy installer http://www.mediafire.com/?2mzqj5dyrni please let me know if I do anything wrong. thanks.