To prevent a second instance of the Windows Installer, do not repackage a Windows Installer package into another Windows Installer package such as a custom. Preventing dual installers from loading up is also vital to maintain the integrity of your system. Always look out for any unusual processes or processes with names like “setup.msi” or “setup.exe” as these are the likely ones to be causing this conflict.

These may be in the task bar or, if there is a setup running in the background, in task manager.

If you are receiving the 1618 error message, you must close all other installation programs down. Two Windows Installer procedures cannot be run at the same time, it has not been designed for that. Having multiple Windows Installer processes can cause the application itself to get confused. How To Fix Error Code 1618 Step 1 – Make Sure You Only Have One Instance Of Windows Installer Running Solving this problem is quite simple, you will either have to end the other Windows Installer process or if the problem does not subside then carry out a registry scan with a recommended Registry Cleaner. This will arise when Windows Installer has more than one instance running. Complete that installation before proceeding with this install. Windows Installer is a vital component of many installation programs and is widely popular in many applications, whether it be installing, uninstalling, updating or repairing the program.Įrror 1618: Another installation is already in progress.

This error means that you have more than one instance of Windows Installer running and so the process cannot continue. When you attempt to run Windows Installer, or a program dependent on it, you may have experienced the 1618 error. Learn how to migrate from Windows 7 to Windows 10

Java unable to install. error code 1618