Laptop BitLocker failing on drive with VSS service decryption tampering

4.5

VSS cannot decrypt its own configuration or metadata.

Symptoms

BitLocker error
"Key not found"
Service won't start

Possible Causes

TPM issues
User profile corruption
Malware

Step-by-Step Fix

1

Check TPM Status

Ensure the TPM is ready and not locked.

2

Reset VSS Registry

Restore configuration keys.

3

Run chkdsk

Fix disk errors.

When to See a Technician

Decryption failures often point to a hardware issue with the TPM or a corrupted registry.

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