If a clean reinstall fails, you can try to manually register the driver using the Windows Command Prompt.
Temporarily disable your antivirus software to ensure it is not blocking OSFMount.sys . ftk imager could not start driver
When the driver fails to load, the investigator is presented with a dilemma that borders on the ethical. The "correct" forensic methodology dictates that evidence should not be altered. However, to bypass the driver error, an examiner might be forced to disable security features like Driver Signature Enforcement or temporarily deactivate antivirus protections. In doing so, the investigator must alter the state of the evidence host machine. They must lower the drawbridge, potentially exposing the system to instability or external threats, just to gain access. This creates a procedural "catch-22": one must technically compromise the system's security posture to validate the integrity of the evidence within it. If a clean reinstall fails, you can try