Laptop unable to use BitLocker on drive with VSS service interface tampering

4.5

The COM+ interfaces used by VSS have been modified or corrupted.

Symptoms

BitLocker error
COM+ errors in log
Service crash

Possible Causes

Failed software install
Registry corruption

Step-by-Step Fix

1

Repair COM+ Catalog

Requires advanced registry and file manipulation.

2

Run SFC

Repair system COM+ files.

3

Check Event Viewer

Look for "DCOM" or "COM+" errors.

When to See a Technician

VSS relies heavily on COM+; if the interface is broken, apps can't talk to VSS.

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