Laptop BitLocker failing on drive with VSS service storage volume manager tampering

4.5

The volume manager driver (volmgr.sys) has been tampered with.

Symptoms

BitLocker error
Blue screen
Service crash

Possible Causes

Malware
Corrupted update

Step-by-Step Fix

1

Run SFC /Scannow

Repair critical volume manager drivers.

2

Run DISM

Repair the system image.

3

Check for Rootkits

Look for drivers that have been "patched" by malware.

When to See a Technician

The volume manager is responsible for all disk volumes; tampering here is fatal.

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