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#11
The USB stick is toast. This is also a common fault with SD cards.
@rscalover
As a last resort, try formatting the Kingston flash drive with HP USB Disk Storage Format Tool v 2.2.3.
Download HP USB Disk Storage Format Tool
Softpedia review has this to say "HP USB Disk Storage Format Tool can be used to format USB storage devices that cannot be formatted by Windows."
No harm in trying. Tool - the single executable file - to be run as administrator.
( This tool can also be used to create a FAT32 volume which is larger than 32GB.)