ERROR_BAD_QUERY_SYNTAX 0x8007064F

Error code 1615 · HRESULT 0x8007064F

WINDOWS

SQL query syntax invalid or unsupported.

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_BAD_QUERY_SYNTAX is a Windows error code (system error 1615, returned as HRESULT 0x8007064F) reported by Windows. Its official message is: “SQL query syntax invalid or unsupported.”

How to fix ERROR_BAD_QUERY_SYNTAX

  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_INSTALL_ALREADY_RUNNINGERROR_PRODUCT_UNINSTALLEDERROR_INVALID_FIELD0x803F70010xC19001010xC19002080xC19002000xC1900223

Source: Microsoft WinError.h

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