What does Windows error code 9 (ERROR_INVALID_BLOCK) mean? Status / error code: Category: Constant name: Source: Operating System: Description: The storage control block address is invalid. Could be also: ConstantTypeOS KERN_MEMORY_FAILUREKern returnMac ippStsNanArgIntel Ipp StatusAny EBADFerrnoAny IRQL_NOT_GREATER_OR_EQUALBugCheck CodeWindows Looking for a different code? Search another status or error code.