Laptop BitLocker failing on drive with VSS service script tampering

4.5

VSS pre-exec or post-exec scripts have been tampered with.

Symptoms

BitLocker error
Unauthorized script execution
Service crash

Possible Causes

Malware
Incorrect backup config

Step-by-Step Fix

1

Check Backup Scripts

Ensure no suspicious scripts are set to run with VSS.

2

Reset VSS Config

Restore default settings.

3

Scan for Malware

Scripts are a common way for malware to gain persistence.

When to See a Technician

Scripts are often used by enterprise backup tools; ensure they are original and signed.

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