Here is the definitive method to go from a blank SD card to a working Windows installer using UUP binaries.

Because the computer cannot read the file system properly, standard recovery software might not work. Recommended Recovery Steps

A 32GB/64GB/128GB card shows only a few megabytes or gigabytes of total capacity in Windows Disk Management.

Low free space on the SD card (needs ~5GB temp even if card appears big). Solution: