Right-click PSX2PSP.exe and select Run as Administrator to bypass permission blocks.
If the error persists despite the file being in the correct place, your version of the software might be bugged. BASE.PBP - julianxhokaxhiu/iPoPS - GitHub psx2psp error cannot open base.pbp
You must place the BASE.PBP file directly into this Files folder. Right-click PSX2PSP
You can technically create one by taking an official PSN EBOOT (like Hot Shots Golf 2 ) and renaming its EBOOT.PBP to BASE.PBP . psx2psp error cannot open base.pbp
Since it isn't always included, you may need to source it separately.