Error Code Portal
MicrosoftWindows Installer return codesWarning or status code

1641

ERROR_SUCCESS_REBOOT_INITIATED

Alternative forms: 0x00000669 · 0x669 · ERROR_SUCCESS_REBOOT_INITIATED · 0x80070669

What does this code mean?

Code 1641 · An issue reported by Windows Installer return codes.

This entry includes warnings or status values that are not errors. Check the original documentation for the conditions under which they are returned.

Official explanation · Original text

The installer has initiated a restart. This message indicates success.

Troubleshooting and diagnostic links

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

Source and terms of use

MsiExec.exe and InstMsi.exe error messages (for developers) ↗

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