If a previous FTK driver failed to unload, Windows may refuse to start a new one.
If Test Mode didn't work, you can try disabling driver signature enforcement entirely during the boot process. This allows any driver to load, regardless of its signature. ftk imager could not start driver new
on a working machine into the same folder as your FTK Imager executable on the USB. 5. Reinstall or Use a Different Version If a previous FTK driver failed to unload,