WerUnregisterCustomMetadata function (werapi.h)

Removes an item of app-specific metadata being collected during Windows Error Reporting (WER) for the application.


HRESULT WerUnregisterCustomMetadata(
  PCWSTR key



The "key" string for the metadata element being removed. It must have been previously registered with the WerRegisterCustomMetadata function.

Return value

This function returns S_OK on success or an error code on failure, including the following error codes.

Return code Description
WER_E_INVALID_STATE The process state is not valid. For example, the process is in application recovery mode.
WER_E_NOT_FOUND WER could not find the metadata item to remove.


Requirement Value
Minimum supported client Windows 10, version 1703 [desktop apps | UWP apps]
Minimum supported server Windows Server 2016 [desktop apps | UWP apps]
Target Platform Windows
Header werapi.h
Library Kernel32.lib
DLL Kernel32.dll

See also

WerRegisterCustomMetadata, Windows Error Reporting