How to fix Error 1319 on Windows 11

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Why This Error Happens

Error 1319 (“The specified group does not exist”) typically occurs during Windows Installer (MSI) operations when the installer attempts to validate a local security group referenced in its configuration, but that group has been renamed, deleted, or is missing due to a corrupted Security Identifier (SID) mapping. This is common after domain-to-workgroup transitions, user profile migrations, or when third-party software installers hardcode a group name (like “Users” or “Administrators”) that has been localized or altered. Corrupted entries in the Windows Installer cache or a damaged Security Accounts Manager (SAM) database can also trigger this failure.

Step-by-Step Resolution Guide

Step 1: Verify Local Group Integrity

  • Open Computer Management by right-clicking the Start menu and selecting it.
  • Navigate to Local Users and Groups > Groups.
  • Confirm that standard groups (Administrators, Users, Power Users) exist and have not been renamed or deleted.
  • If a group is missing, recreate it manually with the exact original name required by the installer.

Step 2: Run the Installer with Elevated Privileges

  • Right-click the installer file (.msi or .exe) and select Run as administrator.
  • If using a command line, open Windows Terminal (Admin) and run:
    msiexec /i "C:\Path\To\Installer.msi" /L*V "C:\install_log.txt"
  • Review the generated log file for the specific group name causing the failure.

Step 3: Reset Windows Installer Service and Cache

  • Press Win + R, type services.msc, and press Enter.
  • Locate Windows Installer, right-click, and select Restart.
  • Clear temporary installer cache by navigating to C:\Windows\Installer (do not delete files directly; instead use the built-in cleanup):
    msiexec /unregister followed by msiexec /regserver

Step 4: Check and Repair the SAM Database

  • Open Command Prompt as Administrator.
  • Run sfc /scannow to scan for and repair corrupted system files, including SAM-related components.
  • Restart the PC after the scan completes and attempt the installation again.

Step 5: Use Local Security Policy to Re-map Group Names

  • Press Win + R, type secpol.msc, and press Enter.
  • Navigate to Security Settings > Local Policies > Security Options.
  • Check policies like “Network access: Sharing and security model for local accounts” to ensure group-based permissions are not misconfigured.

Alternative or Verification Steps

  • To verify the fix, re-run the installer and confirm it completes without triggering Error 1319; check the install log for successful group validation entries.
  • If the error persists, use the System File Checker (SFC) in combination with DISM (DISM /Online /Cleanup-Image /RestoreHealth) to repair deeper system image corruption affecting security group references.