UPDATE: The name of this thread has changed to show that it has evolved into a kindle debricking solution that uses a new kindle fastboot for windows tool. This thread started as a search for a solution to the problem of a kindle dropping out of fastboot mode when you change the host PC from windows (for MfgTool) to linux (for fastboot). Using this new tool, you can now stay in windows for both steps, with no risk of your kindle dropping out of fastboot mode.
You can download fastboot for windows (thanks to hostar) here:
https://www.mobileread.com/forums/sho....php?p=2000997
Each kindle needs its own set of libusb-win32 device drivers installed, to work with fastboot for windows. There are multiple ways to do this, and multiple versions of libusb drivers for windows. You can read some details about how *I* installed them for my K4 and Touch here:
https://www.mobileread.com/forums/sho....php?p=2001621
And you can read step-by-step details about how PoetCop debricked his Kindle Touch using fastboot for windows here:
https://www.mobileread.com/forums/sho....php?p=2002101
ORIGINAL FIRST POST: