Laptop unable to use BitLocker on drive with VSS service storage tomoyo tampering

4.5

Tomoyo security module has been tampered with.

Symptoms
  • BitLocker error
  • Sync error
  • Service crash
Possible Causes
  • Malware
  • Buggy driver

Step-by-Step Fix

1

Update Tomoyo Drivers

Ensure the driver is original and signed.

2

Check for Rootkits

Look for viruses that target Tomoyo.

3

Run SFC

Repair system files.

When to See a Technician

Tomoyo is a MAC security module; tampering can disable system protection.

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