NtRaiseHardError - NtDoc Archived: 2026-04-05 22:23:24 UTC This function sends HARDERROR_MSG LPC message to listener (typically CSRSS.EXE). See NtSetDefaultHardErrorPort for more information. ErrorStatus Error code. NumberOfParameters Number of optional parameters in Parameters array. UnicodeStringParameterMask Optional string parameter (can be only one per error code). *Parameters Array of DWORD parameters for use in error message string. ResponseOption See HARDERROR_RESPONSE_OPTION for possible values description. Response Pointer to HARDERROR_RESPONSE enumeration. NtRaiseHardError is easy way to display message in GUI without loading Win32 API libraries. Documented by Tomasz Nowak See also HARDERROR_MSG HARDERROR_RESPONSE HARDERROR_RESPONSE_OPTION NtSetDefaultHardErrorPort https://ntdoc.m417z.com/ntraiseharderror Page 1 of 2 Source: https://ntdoc.m417z.com/ntraiseharderror https://ntdoc.m417z.com/ntraiseharderror Page 2 of 2