Dolphin Iosfs Failed To Write New Fst Jun 2026

: Security software like Windows Defender , Bitdefender , or Avast frequently blocks Dolphin's write attempts. You can try adding Dolphin.exe to your antivirus "allow" list or disabling features like "Controlled folder access" in the Windows Security center .

Third-party antivirus programs (like Avast or Bitdefender) may block Dolphin's constant read/write cycles. Failed to rename temporary FST file" errors after update dolphin iosfs failed to write new fst

The folder where Dolphin stores user data may be set to "Read-Only," preventing the emulator from updating configuration or save files. : Security software like Windows Defender , Bitdefender