Laptop unable to use BitLocker on drive with VSS service volume tampering

4.5

The volume serial number or ID has been tampered with.

Symptoms

BitLocker error
Volume not recognized
Service crash

Possible Causes

Disk cloning
Malware
Registry cleaners

Step-by-Step Fix

1

Check Volume ID

Use "mountvol" to see volume IDs.

2

Reset VSS Shadows

Clear the state.

3

Run SFC

Repair system files.

When to See a Technician

VSS uses Volume IDs to track snapshots; if they change, the snapshots are orphaned.

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