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. If that doesn’t work then move on to the next fix.Learn how to migrate from Windows 7 to Windows 10 Restart your computer (turn it off, then turn it on).Fix #2: Restart Your Computer and Reinstall If that doesn’t work then move on to the next fix.

Find and left-click on MSIEXEC.MSI in the list.

Press the Ctrl+Alt+Del keys on your keyboard at the same time.

Ending any programs or updates installing in the background can solve error 1618. Sometimes Windows gets confused when installing software because it tries to install too many things at once and freezes up. Fix #1: End Competing Installation Programs

Java did not install error code 1618