ERROR_TOO_MANY_THREADS 0x80070235

Error code 565 · HRESULT 0x80070235

WINDOWS

Indicates a process has too many threads to perform the requested action. For example, assignment of a primary token may only be performed when a process has zero or one threads.

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_TOO_MANY_THREADS is a Windows error code (system error 565, returned as HRESULT 0x80070235) reported by Windows. Its official message is: “Indicates a process has too many threads to perform the requested action. For example, assignment of a primary token may only be performed when a process has zero or one threads.”

How to fix ERROR_TOO_MANY_THREADS

  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_TOO_MANY_DESCRIPTORSERROR_TOO_MANY_POSTSERROR_TOO_MANY_MODULESERROR_TOO_MANY_TCBSERROR_INVALID_LDT_DESCRIPTORERROR_THREAD_NOT_IN_PROCESSERROR_INVALID_LDT_OFFSET

Source: Microsoft WinError.h

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