Look for Signer – if missing or "Test Sign", modern Windows blocks load.
Under the section, click on Core isolation details . Locate the Memory integrity toggle and switch it to Off . ftk imager could not start driver
Fix: "FTK Imager Could Not Start Driver" (Ultimate Troubleshooting Guide) Look for Signer – if missing or "Test
Follow these procedures in order from most common to advanced to eliminate the driver initialization block. 1. Enforce Elevated Administrator Privileges ftk imager could not start driver
Upon reboot, you will see a list of options. Press or F7 to select Disable driver signature enforcement .
Download a fresh copy of the latest FTK Imager from official sources like Exterro.