Did a quick search for ya. For what it's worth:
# as an HRESULT: Severity: FAILURE (1), FACILITY_WIN32 (0x7), Code 0x241
# for hex 0x241 / decimal 577
ERROR_INVALID_IMAGE_HASH (source file omitted )
# The hash for the image cannot be found in the system
# catalogs. The image is likely corrupt or the victim of
# tampering.
# 1 matches found for "80070241"