What does Windows error code 16 (ERROR_CURRENT_DIRECTORY) mean? Status / error code: Category: Constant name: Source: Operating System: Description: The directory cannot be removed. Could be also: ConstantTypeOS KERN_INVALID_TASKKern returnMac ippStsZeroOccIntel Ipp StatusAny EBUSYerrnoAny SPIN_LOCK_NOT_OWNEDBugCheck CodeWindows Looking for a different code? Search another status or error code.