Error Code Portal
MicrosoftWindows Win32Error code

582

ERROR_ILLEGAL_CHARACTER

Alternative forms: 0x00000246 · 0x246 · ERROR_ILLEGAL_CHARACTER · 0x80070246

What does this code mean?

Code 582 · An issue reported by Windows Win32.

Official explanation · Original text

An illegal character was encountered. For a multi-byte character set this includes a lead byte without a succeeding trail byte. For the Unicode character set this includes the characters 0xFFFF and 0xFFFE.

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