Ultimate guide for fixing QuickBooks 1618 Error Code
                     Your Step-by-Step Guide to Fix QuickBooks Error 1618
QuickBooks keeps releasing updates regularly to fix the bugs and lags in the 
application. QuickBooks Desktop is overall a smooth functioning application; however, 
you might face a few errors now and then. For example, QuickBooks Error 1618 is a 
runtime library error triggered at the time of installing or updating QuickBooks. Usually, 
the error gets triggered due to the damaged installation file or Microsoft runtime 
libraries. You can run the QuickBooks Install Diagnostic Tool to resolve the error or 
you can use other solutions as well, depending upon the cause of the error. Read the 
information given below in this article to know the causes and solutions to the error.
If you need the guidance of an expert to resolve the QuickBooks Error 
1618 quickly, dial 1.855.738.2784 and get the technical assistance of a 
QuickBooks Professional.

How to Fix QuickBooks 
Installation Error 1618?
Run QuickBooks Install Diagnostic 
Tool
If the error is caused due to damaged installation files, you need to run QuickBooks 
Install Diagnostic tool to fix the error. The steps to run install diagnostic tools are given 
below:
Note: Make sure you have already downloaded QuickBooks Tool Hub to run the Install 
diagnostic tool.
• Open the Windows Start menu and type QuickBooks Tool Hub in the search box.
• Select the QuickBooks Tool Hub option.
• In the QuickBooks Tool Hub window, choose the Installation Issues tab.
• Then click the QuickBooks Install Diagnostic Tool button.
• Wait for the repair to complete.
• When the repair is done, turn off your PC and turn it on again.
Reinstall Runtime Libraries
Damage to Microsoft Runtime libraries can cause the error 1618. You can reinstall 
runtime libraries via Microsoft Visual C++ redistributable package to fix the error. 
Follow the steps below to reinstall Microsoft runtime libraries:
• First, download the correct Microsoft Visual C++ Redistributable Package.
1. If your computer is of 32 bit, download Microsoft Visual C++ 2008 Redistributable 
Package (x86).
2. If the PC is of 64 bit, download Microsoft Visual C++ 2008 Redistributable Package 
(x64).
• Make sure you save the downloaded file in an easily accessible location, such as 
the Windows desktop.
• When the download is complete, open the downloaded file that is vcredist_X64.exe 
and then go through the instructions and agreements to install Microsoft Runtime 
Libraries.
• Finally, open the QuickBooks tool hub application and run Quick Fix my Program 
to fix any remaining issues.
Conclusion
The information given above in this article explains both the causes and the solutions 
to QuickBooks Error 1618. The most common solutions include running QuickBooks 
Install Diagnostic Tool and reinstalling Microsoft Runtime Libraries. However, if the 
error is not fixed yet, you need to check if any instances of MSIEXEC.EXE processes 
are running in the background. You need to close the processes to fix the error. If the 
error is still unresolved, dial 1.855.738.2784 and get in touch with a QuickBooks 
Professional for immediate help.