MSP & Windows
Windows Error Codes
Decode HRESULT, NTSTATUS, Win32 and BSOD stop codes.
Decode a code
Enter a hex (0x…) or decimal error/status code.
E_ACCESSDENIED HRESULT
Access is denied.
Common codes
28 results
ERROR_FILE_NOT_FOUND HRESULT
The system cannot find the file specified.
ERROR_PATH_NOT_FOUND HRESULT
The system cannot find the path specified.
E_OUTOFMEMORY HRESULT
Ran out of memory.
E_INVALIDARG HRESULT
One or more arguments are invalid.
E_FAIL HRESULT
Unspecified failure.
E_NOTIMPL HRESULT
Not implemented.
ERROR_TIMEOUT HRESULT
This operation returned because the timeout period expired.
ERROR_INSTALL_FAILURE HRESULT
Fatal error during installation (common Windows Update / MSI failure).
CBS_E_INSTALLERS_FAILED HRESULT
Windows Update failed (often .NET / system reserved partition).
WININET_E_TIMEOUT HRESULT
The operation timed out (network / WSUS connectivity).
WININET_E_DECODING_FAILED HRESULT
A security error occurred — often a wrong system clock / TLS issue.
WU_E_PT_HTTP_STATUS_REQUEST_TIMEOUT HRESULT
Windows Update HTTP request timed out.
STATUS_INVALID_PARAMETER NTSTATUS
An invalid parameter was passed.
STATUS_ACCESS_VIOLATION NTSTATUS
Access violation (memory). Common app crash cause.
STATUS_INSUFFICIENT_RESOURCES NTSTATUS
Insufficient system resources.
STATUS_ACCESS_DENIED NTSTATUS
A process has requested access to an object but has not been granted those rights.
INACCESSIBLE_BOOT_DEVICE BSOD
BSOD: Windows lost access to the system/boot partition (often storage driver / AHCI-RAID change).
SYSTEM_SERVICE_EXCEPTION BSOD
BSOD: An exception occurred while executing a system service routine (often driver).
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED BSOD
BSOD: A system thread generated an unhandled exception (usually a driver).
PAGE_FAULT_IN_NONPAGED_AREA BSOD
BSOD: Invalid memory referenced (bad RAM or driver).
DRIVER_IRQL_NOT_LESS_OR_EQUAL BSOD
BSOD: A driver accessed pageable memory at too high an IRQL.
DPC_WATCHDOG_VIOLATION BSOD
BSOD: A DPC ran too long (often storage firmware/driver).
CRITICAL_PROCESS_DIED BSOD
BSOD: A critical system process terminated.
ERROR_ACCESS_DENIED Win32
Access is denied.
ERROR_FILE_NOT_FOUND Win32
The system cannot find the file specified.
ERROR_SHARING_VIOLATION Win32
The file is in use by another process.
ERROR_TIMEOUT Win32
The timeout period expired.