ERROR_MAPPED_ALIGNMENT 0x8007046C

Error code 1132 · HRESULT 0x8007046C

WINDOWS

The base address or the file offset specified does not have the proper alignment.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_MAPPED_ALIGNMENT is a Windows error code (system error 1132, returned as HRESULT 0x8007046C) reported by Windows. Its official message is: “The base address or the file offset specified does not have the proper alignment.”

How to fix ERROR_MAPPED_ALIGNMENT

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_POSSIBLE_DEADLOCKERROR_NOT_ENOUGH_SERVER_MEMORYERROR_EOM_OVERFLOWERROR_TIMEOUTERROR_INSTALL_FAILUREERROR_INSTALL_ALREADY_RUNNINGRPC_S_SERVER_UNAVAILABLEWSAEACCES

Source: Microsoft WinError.h

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