Aomei NTFS to FAT32 Converter log is as follows: ====================== System Information ====================== Module Path: C:\Program Files (x86)\AOMEI Partition Assistant\Ntfs2Fat32.exe Product Name: Windows 10 Enterprise Service Package: OS Version: 6.3 Total Memory: 3996 MB Available Memory: 1247 MB System Root: C:\WINDOWS Processor Architecture: AMD64 Processor Number: 4 Current Time: 2021-5-25 12:36:17 ================================================================ [0 ]vol.cpp(1160): Failed to IOCTL_DISK_GET_DRIVE_LAYOUT. [2 ]ntfschangeclus.cpp(342): Begin checking volume. [2 ]ntfschangeclus.cpp(347): Begin shrinking volume. [433 ]ntfschangeclus.cpp(1463): Failed to write sector. [433 ]ntfschangeclus.cpp(1301): Move file data error. [433 ]ntfschangeclus.cpp(367): MoveFrData failed. [433 ]operation.cpp(383): Failed to change cluster size. /////////////////////////////////////////////// Sorry, the current operation has been canceled! Information Code: 34 Description:Failed to write sector (with bad sector). ///////////////////////////////////////////////