ERROR_UNKNOWN_PRINT_MONITOR 0x80070BB8

Error code 3000 · HRESULT 0x80070BB8

WINDOWS

The specified print monitor is unknown.

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_UNKNOWN_PRINT_MONITOR is a Windows error code (system error 3000, returned as HRESULT 0x80070BB8) reported by Windows. Its official message is: “The specified print monitor is unknown.”

How to fix ERROR_UNKNOWN_PRINT_MONITOR

  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_PRINTER_DRIVER_IN_USEERROR_SPOOL_FILE_NOT_FOUNDERROR_SPL_NO_STARTDOCERROR_PACKAGE_REPOSITORY_CORRUPTEDERROR_INSTALL_FIREWALL_SERVICE_NOT_RUNNINGE_UNEXPECTEDE_FAILREGDB_E_CLASSNOTREG

Source: Microsoft WinError.h

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