Learn how to Fix QuickBooks error 1618 when attempting to install or update:

Bumped into QuickBooks error code 1618 and still not sure what to do? Well, if that is the case, we are here to rescue you. It is an often-seen error when you try to install QuickBooks desktop on the system. You might come across such an error during the installation or updating the programs. This error is accompanied by an error message i.e., “There was a problem installing Microsoft Runtime library. Well, you might find this error to be time-consuming and annoying. Considering that, we have come up with this post, where we will be discussing the signs, causes, and fixes of this error in depth. So, make sure that you stay tuned.

Moreover, you can contact our support team in case you need any technical assistance to resolve this error from the root. Feel free to give us a call at our dedicated support line i.e., 1-800-761-1787. Our QuickBooks error support team will be there to assist you.

Insight into QuickBooks error 1618

While installing QuickBooks or trying to update the software, an error message flashes on the screen stating:

Feature transfer errorError: There was a problem installing Microsoft Runtime Library (Error 1618).
WarningError 1618. “ERROR_INSTALL_ALREADY_RUNNING” error message when you run the Setup program to install QuickBooks programs.”
QuickBooks Error Code 1618 - Screenshot Image

This error is also seen when there is more than one Windows installer instance running at the same time and also blocking the installation process. It should be noted that the Windows installer is the basic system requirement for installing the program. It is also very important for us to install, update, uninstall, and repair the system application. Later in this post, you will explore the symptoms and causes of this QuickBooks error code 1618.

Signs and symptoms of QuickBooks error 1618

You can identify the QuickBooks error code 1618 by considering the following signs and symptoms:

  • The error code 1618 appears on the screen along with the QuickBooks runtime library error message.
  • QuickBooks software continues to freeze.
  • Windows start functioning sluggishly.
  • The computer stops functioning at the time when the error appears.

What Causes QuickBooks update error 1618?

There can be multiple causes of error 1618, a few of the most common ones are enumerated below:

  • QuickBooks software installation is corrupted or the process is incomplete.
  • The corruption in the Windows registry.
  • QuickBooks-related files or Windows system files are infected due to viruses or malware.
  • If the QuickBooks-related program file got deleted mistakenly by any malicious program.

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Fixation methods for QuickBooks error code 1618

Now that you are aware of the causes and symptoms of QuickBooks Error 1618: Another program is being updated, it is the right time to explore the fixation methods. We have jotted down some of the best solutions that you can implement and get rid of the issue with much ease. So, let us have a look:

Method 1: Updating the version of Windows installer

You can update the Windows installer in order to fix this issue. The steps involved in this process are as follows:

  • You need to first log in as System Admin.
  • Further, look for the Windows installer is updated.
  • Move to My Computer.
  • Open C:\WINDOWS\system32 and then right click the exe file.
  • Pick the properties and the version.
Windows Installer - Screenshot
  • Later on, you will find all the information related to the Windows installer’s version.
  • Update the software if updates are available.
  • Reboot the system.

Method 2: Creating a backup for the Windows registry

Another method is to create a backup for the Windows registry. The steps to be followed are listed below:

  • The initial step is to hit a click on the Start tab from the Windows taskbar.
  • Open the Run command with Windows + R keys.
Press Windows + R keys
  • Type in regedit and then click the OK button.
Type regedit on Run box - Screenshot
  • Moving ahead, visit my computer and open the file menu and export option.
  • Choose all option in the export range.
  • Once done with that, save the created registry backup on the desktop and then delete the keys.
Save the created registry backup on the desktop - Screenshot
  • Make a note of the fact that the deletion of the keys will also delete all the sub keys.

See Also: What to do when QuickBooks not Responding while Opening the Company File?

Method 3: Close MSIEXEC.EXE running in the background

If the above method enumerated failed for you, then you need to close MSIEXEC.EXE running in the background. The steps involved in this are listed below:

  • For this, open the task manager by pressing Ctrl + Alt +Delete keys.
  • Go for the processes tab and sort the processes in alphabetical order.
  • Pick MSIEXEC.EXE and then hit a click on the End process option.
Close MSIEXEC.EXE running in the background - Screenshot
  • Lastly, close the task manager window and try to install QuickBooks desktop.

Method 4: Installing and run QuickBooks install diagnostic tool

Installing and running QuickBooks install diagnostic tool also works for resolving such an issue. This tool is designed and developed in a way to fix install errors. The steps to be followed here are as follows:

  • Close all open applications, and also close QuickBooks desktop.
  • Download QuickBooks tool hub file and store it in an easily accessible location.
  • Open the QuickBooksToolHub.exe file and install it.
  • Ensure that you agree to the terms and conditions.
  • After your installation is complete, double-click the icon.
QuickBooks Tool Hub - Icon
  • Now move to the Tool hub and then opt for installation issues.
Installation issues - QB Tools Hub - Screenshot

Read Also: Fix Unauthorized Error 401 in QuickBooks Desktop

Method 5: Reinstalling the Microsoft runtime libraries via the Microsoft Visual C++ Redistributable Package

This is the last method one can try to fix the issue. It is recommended to contact a Windows expert to carry out this process, as it might require knowledge of Windows operating system.

Microsoft visual C++ Redistributable- screenshot


It is expected that the above steps will be enough to fix the QuickBooks error 1618. We have tried to cope up with all possible solutions that you can implement without any technical assistance to tackle this error. However, in case the error continues to trouble you, it is recommended to consult our QuickBooks desktop support team by making use of our dedicated helpline i.e., 1-800-761-1787. Our experts will be there to assist you and fix the error on your behalf.

FAQs – QuickBooks Error 1618

Q.1. What causes Error 1618 in QuickBooks?

A.1. Some of the major causes that may provoke this error are:

  • QuickBooks software installation files are corrupted.
  • There may be corruption in the Windows registry.
  • A virus attack on the system may also instigate Error 1618.
  • If the QuickBooks installer file got deleted due to some reasons, it might lead to Error 1618.

Q.2. How do I know if Error 1618 has affected the system?

A.2. The error comes up in the form of an illustrative error message. Besides, it has various signs and symptoms associated with it. These include:

  • The installer for the QuickBooks program continues to freeze.
  • Windows start functioning sluggishly.
  • The PC starts malfunctioning upon the advent of this error.

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