Dolphin Ios-fs Failed To Write New Fst __hot__ May 2026

Many security suites, including Windows Defender, use a feature called "Controlled Folder Access" that blocks unknown applications from writing to the "Documents" folder where Dolphin defaults its data.

The Dolphin folder may be set to "Read-Only," or the user may lack administrative rights to modify files in that directory.

The most common solution is to allow Dolphin through your security software. dolphin ios-fs failed to write new fst

Sometimes the emulator simply lacks the necessary permissions to write to its own folder. Right-click your Dolphin.exe file.

If you are seeing the error message while using the Dolphin Emulator, it typically indicates that the emulator is being blocked from saving or modifying files in its user directory. This error often pops up during startup or when trying to save game data, and it is usually related to file permissions or interference from security software. What Does This Error Mean? Many security suites, including Windows Defender, use a

Alternatively, add the Dolphin folder to the list in your antivirus settings. 2. Run as Administrator

Scroll to and click Manage Controlled folder access . This error often pops up during startup or

Applications like Microsoft OneDrive often sync the "Documents" folder, which can lock Dolphin's files while they are being uploaded, causing a write failure.

Either turn it off entirely or click and add Dolphin.exe .