Error Code Portal
MicrosoftWindows Win32Error code

565

ERROR_TOO_MANY_THREADS

Alternative forms: 0x00000235 · 0x235 · ERROR_TOO_MANY_THREADS · 0x80070235

What does this code mean?

Code 565 · An issue reported by Windows Win32.

Official explanation · Original text

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.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

System Error Codes (500-999) (WinError.h) ↗

Creator: Microsoft and MicrosoftDocs contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Extracted numeric codes, symbolic names and English message text; converted Markdown/HTML to plain text and normalized whitespace; added Korean product context, namespace labels, status classification and separately labeled official links. No machine translation of message text.

Source details · Original licenses and notices