A damaged ISO can cause FST writing errors.
If all else fails, you can reset the virtual Wii system. dolphin iosfs failed to write new fst
If you still see “dolphin iosfs failed to write new fst,” consider working around it: A damaged ISO can cause FST writing errors
Right-click the ISO file > Properties > Uncheck Read-only > Apply . Your game saves (
Your game saves ( .gci files) are often stored in the Wii folder, but we're going to reset it.
To solve the error, it helps to understand what's causing it. The "FST" in the error message stands for . In the context of a Wii game, the FST is essentially a master directory or index that the console's operating system (the IOS) uses to understand where every file on a game disc or virtual NAND is located. Dolphin creates its own version of this file ( fst.bin ) in your user folder to manage game data and metadata.
Click . A prompt will appear; choose Apply changes to this folder, subfolders and files and click OK . 3. Change the Windows Registry User Config Path