Duplicate lines generated in .manifest file

Question

SUMMARY: My project uses a COM component, which must be registered independently. The project has its own custom myapp.exe.manifestfile, which includes two lines:

<comInterfaceExternalProxyStub name="ICapturer" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

However, creating a project creates these files in a real live file .manifest:

<comInterfaceExternalProxyStub name="" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" numMethods="" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" numMethods="" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="ICapturer" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

In other words, a duplicate string with missing attribute values, which naturally causes an error when starting the application.

If I delete one of the "source" lines from the original manifest, both the duplicate and the correct line disappear from the generated manifest, i.e. comment out a line ICapturer, and both lines and its duplicates aren’t generated.

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<comInterfaceExternalProxyStub name="ICapturer" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

exe.manifest :

  <comInterfaceExternalProxyStub name="" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" numMethods="" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="" xmlns="urn:schemas-microsoft-com:asm.v1" />
  <comInterfaceExternalProxyStub name="" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" numMethods="" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="" xmlns="urn:schemas-microsoft-com:asm.v1" />
  <comInterfaceExternalProxyStub name="ICapturer" iid="{DCAFCA37-546E-4D0A-9C02-D3221E65FCA9}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />
  <comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

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 <comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

:

<comInterfaceExternalProxyStub name="" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" numMethods="" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="" xmlns="urn:schemas-microsoft-com:asm.v1" />
<comInterfaceExternalProxyStub name="IVideoWMVSettings" iid="{1A814EC2-55A9-4FA2-99E2-2C20A897C2E7}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}" baseInterface="{00000000-0000-0000-C000-000000000046}" tlbid="{8EDAD3BB-AE5F-43B4-A2F1-B04F4130F2E0}" xmlns="urn:schemas-microsoft-com:asm.v1" />

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Answer 1

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Answer 2

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