Laptop BitLocker failing on drive with VSS service token tampering

4.5

The security tokens for the VSS service have been tampered with.

Symptoms

BitLocker error
Privilege error
Service crash

Possible Causes

Malware
Incorrect security policy

Step-by-Step Fix

1

Reset Service Token

Restart the laptop to generate a fresh token.

2

Check for Rootkits

Token tampering is a sign of a deep system compromise.

3

Run SFC

Repair system files.

When to See a Technician

Security tokens are the "ID cards" for services; if they are faked, the system blocks them.

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