If your user folder was moved or restored from a backup, it might be stuck in "Read-Only" mode. , right-click the Dolphin Emulator folder, and select Properties . Ensure the "Read-only" box is unchecked, then click 4. Relocate Your Wii NAND Folder
Real-time antivirus scanners (including Windows Defender, Malwarebytes, or McAfee) may flag Dolphin’s attempt to modify the FST.txt or NAND files as suspicious behavior, blocking write operations. dolphin ios-fs failed to write new fst
In simple terms:
