Laptop BitLocker failing on drive with VSS service registry tampering

4.5

The VSS registry keys are being modified by a malicious process.

Symptoms
  • BitLocker error
  • Service won't start
  • Access Denied
Possible Causes
  • Malware
  • Registry cleaners

Step-by-Step Fix

1

Restore Registry

Use a backup to restore VSS keys.

2

Check Permissions

Ensure only SYSTEM can modify VSS keys.

3

Scan for Malware

Look for registry-resident viruses.

When to See a Technician

Registry tampering is a common way for malware to disable security services.

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