Laptop unable to use BitLocker on drive with VSS ACL corruption

4.5

The Access Control List for VSS components is corrupted.

Symptoms

Total VSS failure
BitLocker error
Service won't start

Possible Causes

Malware
Registry cleaners
Disk errors

Step-by-Step Fix

1

Run SubInACL

Use the Microsoft tool to reset VSS-related ACLs.

2

Restore Registry

Use a backup to restore VSS configuration.

3

Reinstall Windows

Severe ACL corruption is hard to fix manually.

When to See a Technician

Avoid using "Registry Cleaners"; they often break complex services like VSS.

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Laptop BitLocker failing on drive with ACL corruption

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