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Generic COM Error Codes

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Generic COM error codes expresses the operation status as produced by all COM modules. The following table contains some examples of such error codes on any Win32 platform.

Error Code Hex Value Description
E_ABORT 0x80004004 Operation aborted.
E_FAIL 0x80004005 Unspecified error.
E_NOINTERFACE 0x80004002 Interface not supported.
E_NOTIMPL 0x80004001 Not implemented.
E_POINTER 0x80004003 Invalid pointer.
E_UNEXPECTED 0x8000FFFF Catastrophic failure.