Laptop unable to use BitLocker on drive with VSS service storage dm-crypt-key-derivation-firmware tampering

4.5

Device Mapper crypt KDF firmware has been tampered with.

Symptoms
  • BitLocker error
  • Sync error
  • Service crash
Possible Causes
  • Hardware attack
  • Malware

Step-by-Step Fix

1

Flash Original Firmware

Restore the controller.

2

Check for Rootkits

Look for viruses that target firmware.

3

Run SFC

Repair system files.

When to See a Technician

Firmware-level tampering is extremely difficult to detect and remove.

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