Error Code Portal
MicrosoftWindows Win32Error code

596

ERROR_LOST_WRITEBEHIND_DATA

Alternative forms: 0x00000254 · 0x254 · ERROR_LOST_WRITEBEHIND_DATA · 0x80070254

What does this code mean?

Code 596 · An issue reported by Windows Win32.

Official explanation · Original text

{Delayed Write Failed} Windows was unable to save all the data for the file %hs. The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere.

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