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

4.5

APFS filesystem drivers (third-party) have been tampered with.

Symptoms
  • BitLocker error
  • Access Denied
  • Service crash
Possible Causes
  • Malware
  • Buggy driver

Step-by-Step Fix

1

Update APFS Drivers

Ensure the driver is original and signed.

2

Check Disk Health

Verify the physical drive.

3

Run SFC

Repair system files.

When to See a Technician

APFS is Apple's filesystem; Windows drivers for it are often targets for tampering.

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