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ERROR_INSTALL_SERVICE_SAFEBOOT
ERROR_INSTALL_SERVICE_SAFEBOOT means Windows Installer cannot service the requested package while Windows is running in Safe Mode.
Exit Safe Mode and retry under a normal boot. Do not attempt to bypass the restriction by manually changing service configuration.
What to check
- Verify the current boot mode and restart Windows normally before attempting the installation again.
- If the failure is part of recovery work, determine whether a vendor-supported offline repair or System Restore path is appropriate.
- After normal boot, capture a verbose installer log if the package still fails; the original Safe Mode result may not be the remaining cause.
Microsoft: Windows Installer error codes
Microsoft: Windows Installer logging
Microsoft: Standard Installer command-line options
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