import ctypes
kernel32 = ctypes.windll.kernel32
msvcrt = ctypes.windll.msvcrt

SEM_NOGPFAULTERRORBOX = 0x02
old_value = kernel32.SetErrorMode(SEM_NOGPFAULTERRORBOX)
kernel32.SetErrorMode(old_value | SEM_NOGPFAULTERRORBOX)

CRT_WARN = 0
CRT_ERROR = 1
CRT_ASSERT = 2

CRTDBG_MODE_FILE = 1
CRTDBG_FILE_STDERR = -5

old_modes = {}
for report_type in [CRT_WARN, CRT_ERROR, CRT_ASSERT]:
    old_mode = msvcrt._CrtSetReportMode(report_type, CRTDBG_MODE_FILE)
    old_file = msvcrt._CrtSetReportFile(report_type, CRTDBG_FILE_STDERR)
    old_modes[report_type] = old_mode, old_file

ctypes.string_at(0)