If you do not have a Skymedi-specific controller, these general-purpose tools are often safer and more user-friendly:
This tool is not officially distributed by Microsoft or common download sites. It is typically shared on repair forums, USB boot communities (e.g., USBDev, Reddit r/datarecovery), and specialized driver repositories. skymedi usb drive format tool extra quality
Windows cannot fix this because the issue is at the firmware level, not the partition table. If you do not have a Skymedi-specific controller,