XPS_E_SIGNATUREID_DUP

Code: 0x80520388 (2152858504)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x052 (Unknown facility)
Code: 0x0388 (904)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x052 (Unknown facility)
Code: 0x0388 (904)

Documented in Win32

XPS Digital Signature API Errors (xpsdigitalsignature.h): 0x80520388

Two or more signatures have the same ID.