DISM /Online /Cleanup-Image /RestoreHealth /Source:D:\sources\install.wim /LimitAccess
Restart afterwards.
Error 0xC86044D2 in FBI on the Nintendo 3DS indicates the destination partition is full, requiring roughly double the .cia file size in free space to complete installation. The issue frequently occurs because the system must hold both the installer and the game data simultaneously, or because the internal NAND is full. To resolve this, users should free up SD card space, use network installation tools like Boop, or select "Install and delete" in FBI. For detailed troubleshooting, see the discussion at Reddit r/3dspiracy 0xc86044d2 full
Retry updates.
Open FBI and look at the bottom-left of the top screen to see exactly how much space remains on your SD card. use network installation tools like Boop
