Tea error 1618 It is usually displayed when you try to install a program on a Windows computer using the “Windows Installer” application. The error is basically due to the presence of more than one Windows installation program, making it impossible for your computer to run at least one of the installers. This can cause all sorts of problems, from not letting you install the program you want; but luckily it is extremely easy to fix if you can follow the various steps that will resolve the errors causing it.

This error will usually show up in these two variations:

• ERROR_INSTALL_ALREADY_RUNNING.
• Error 1618: Another installation is already in progress. Complete that installation before continuing with this installation.

The problem causing the error is due to the way Windows works. Every time you want to install a program on your PC, certain important processes are used that only one installer can use at a time; which means that if you have more than one instance of Windows Installer open, it won’t work. Windows Installer may open from the installation of automatic updates on your system, or from a previous installation that did not occur.

The way to resolve error 1618 is quite simple. You must first ensure that the Windows Installer instance is only running once, which can be done by pressing CTRL + ALT + DEL on your keyboard to load the Task Manager. This will show you all the running processes and applications on your system, where you should be able to review and kill the various versions of Windows Installer that might be running. This is vital to the integrity of your system, as having more than one installer running at once will cause Windows to save many of your files incorrectly, making them corrupted and unreadable.

It is also recommended that you then use what is known as a “registry cleaner” program to scan through your system and fix the various problems that could also lead to the 1618 error. The registry is a central database that stores all the files, settings, and information that Windows requires to run, and it’s where your wallpapers, latest emails, and even saved passwords are stored. Because this database contains so many vital details for your PC, it’s actually one of the most important parts of the entire Windows system… but it’s also prone to many problems that can cause Windows to slow down or crash. fully function. You should fix this by using a ‘registry cleaner’ to scan through your PC and fix any potential errors within the registry.