- Make sure to install the ESET Installation fixer using an administrative account.
- Go to the official ESET website to download Installation Fixer.
- Choose your region and navigate to the Support page of ESET.
- Select the required operating system and version to download the ESET Installation Fixer.
- If you are not sure of the OS version you are using, press the Windows and Q buttons together.
- Type Control Panel in the Search section and go to the System and Security settings.
- You can now see the version of your Windows operating system.
- Go back to the ESET website and select the required link to download the tool.
- If you are using the Windows 32-bit version, select the ‘Download ESET Installation Fixer (32-bit) link.
- Press the Windows and R buttons together to launch the Run dialog box.
- Type cmd in the Search section and hit the Enter key to fix ESET error code MSI 1404.
- If you have not changed the default installation folder of the tool, type C:\Users\Owner\Desktop\ESETInstallationFixer_32.exe -fix MRL in the Command Prompt Window.