Laptop BitLocker failing on drive with VSS service parameter tampering

4.5

The parameters passed to VSS writers are invalid or tampered with.

Symptoms

BitLocker error
Writer failure
Service crash

Possible Causes

Registry corruption
Buggy software

Step-by-Step Fix

1

Check Writer Registry

Verify keys in HKLMSoftwareMicrosoftWindows NTCurrentVersionAsrWriters.

2

Update Affected App

Ensure the app with the failed writer is updated.

3

Run SFC

Repair system configuration.

When to See a Technician

Parameters define "what" to snapshot; if they are wrong, the writer fails.

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