ERROR_BUSY 0x800700AA

Error code 170 · HRESULT 0x800700AA

WINDOWS

The requested resource is in use.

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_BUSY is a Windows error code (system error 170, returned as HRESULT 0x800700AA) reported by Windows. Its official message is: “The requested resource is in use.”

How to fix ERROR_BUSY

  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_DEVICE_SUPPORT_IN_PROGRESSERROR_LOCK_FAILEDERROR_CANCEL_VIOLATION0xC1900223STATUS_ACCESS_VIOLATIONSTATUS_IN_PAGE_ERRORSTATUS_ACCESS_DENIEDSTATUS_INVALID_IMAGE_FORMAT

Source: Microsoft WinError.h

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