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

4.5

Device Mapper crypt KDF parallelism has been tampered with.

Symptoms

BitLocker error
Sync error
Service crash

Possible Causes

Malware
Buggy driver

Step-by-Step Fix

1

Update dm-crypt Drivers

Ensure the driver is original and signed.

2

Check for Rootkits

Look for viruses that target KDF parallelism.

3

Run SFC

Repair system files.

When to See a Technician

Forcing low parallelism makes the system vulnerable to specialized hardware attacks.

Rate this Fix

0 / 5(0 ratings)

Comments (0)

No comments yet. Be the first to share!

Related Problems

Laptop BitLocker failing on drive with VSS service storage dm-crypt-key-derivation-version tampering

Device Mapper crypt KDF version handling has been tampered with.

Laptop BitLocker failing on drive with volume shadow copy service errors

The VSS service itself is failing, blocking the encryption engine.