CERT_E_UNTRUSTED_ROOT
Code: 0x800B0109 (2148204809)
As HRESULT:- S: 1 (Failure)
- C: 0 (Microsoft-defined)
- N: 0 (Not an NTSTATUS value)
- Facility: 0x00b (FACILITY_CERT: Certificate)
- Code: 0x0109 (265)
- Sev: 2 (STATUS_SEVERITY_WARNING)
- C: 0 (Microsoft-defined)
- Facility: 0x00b (FACILTIY_MUI_ERROR_CODE: Multilingual User Interface)
- Code: 0x0109 (265)
Documented in Win32
How to troubleshoot app package signature errors: 0x800B0109
The certificate chain that was used to sign the app package ends in a root certificate that isn't trusted.