cannot format

[rohitshubham]

hey recently i cannot format my pen drive

it shows this message in cmd
"Invalid media or Track 0 bad"

please help me

 

[hdsk.23]

use the "HT203 Handy Steno 2.0 Repair Tool"
you can download it from
*www.apacer.com/en/support/downloads/Repair_v2.9.1.1.zip

 

[rohitshubham]

but when i try to run it
it give an error while opening that "usb flash disk not found"