Simply pasting the file isn't enough; you must tell the emulator to use it.
You are looking for a file usually ending in .ps2 or .cbs (if it is a compressed format). The standard raw file is Mcd001.ps2. save data resident evil 4 aethersx2
Solution: Region mismatch. Go to AetherSX2 settings > General > BIOS. Ensure your BIOS is the same region as your save file. If you have a USA BIOS (SCPH-39001) and a PAL save, it won't read. Use a tool like PS2 Save Builder to convert region. Simply pasting the file isn't enough; you must
RE4 is a long game (15-20 hours). Don't risk losing it. You are looking for a file usually ending in
Both emulators must use the same BIOS region and Game ISO version (SLUS version numbers must match).
If you are playing Resident Evil 4 on AetherSX2, you can play with confidence. The save system is robust, stable, and allows for both traditional saving and the modern convenience of save states. It is one of the most compatible games on the platform.
Sometimes, skipping the PS2 startup logo can interfere with memory card initialization.