import ctypes, ctypes.wintypes as w
k32 = ctypes.WinDLL('kernel32', use_last_error=True)
k32.OpenFileMappingA.argtypes = [ctypes.wintypes.DWORD, w.BOOL, ctypes.c_char_p]
k32.OpenFileMappingA.restype = ctypes.c_void_p
cands = [
    b'SonicForge_DAW_IPC',
    b'SonicForge_DAW_IPC_22264',
    b'SonicForge_DAW_IPC_16140',
    b'SonicForge_DAW_IPC_26328',
    b'Global\\SonicForge_DAW_IPC_22264',
    b'Local\\SonicForge_DAW_IPC_22264',
]
for n in cands:
    h = k32.OpenFileMappingA(0xF001F, False, n)
    e = ctypes.get_last_error()
    print(n, '->', hex(h) if h else 'NULL', 'err=', e)
    if h:
        ctypes.windll.kernel32.CloseHandle(ctypes.c_void_p(h))