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This issue occurs whenever you attempt to install new software or update existing software on your computer. It is also possible for it to happen if numerous instances of the Windows Installer are active at the same time, which would then prevent the installation from taking place. It is imperative that you do not forget that the Windows installer is a necessity for the installation of the program. Additionally crucial is the process of installing, updating, uninstalling, and repairing the program that controls the system. In the following article, we will provide an in-depth analysis of the QuickBooks error code 1618, including its root causes and potential fixes.
    
    

Solutions to fix QuickBooks Install Error 1618

Solution 1: Make sure that your Windows installer is up to date.

Solution 2: Bring to a halt all MSIEXEC.EXE running in background.

Solution 3: Make a copy of your Windows registry and create a backup.

Solution 4: Installing the QuickBooks Install Diagnostic Tool.

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