While this might be frustrating, don't be alarmed! In today's blog post, we're going to walk you through how to troubleshoot QuickBooks Error 1618 and get your program working again.

How to Resolve QuickBooks Error Code 1618

1. Close Any Running Installs

The simplest one is to check if an installation is running in the background and close it.

●       Click Ctrl + Shift + Esc for opening the Task Manager

●       Look for any programs installing at the moment, such as the Windows updates or other install of software

●       Select the application and click End Task for stopping it.

●       Once you have closed other installations, restart the process for your QuickBooks update or installation.

2. Reboot Your Computer

If you're not sure if any install processes are still running, a simple restart of your computer will close all background processes and may solve the conflict causing Error 1618.

●       Save your work and close all programs.

●       Reboot your computer and attempt to install or update QuickBooks again.

3. Use the Windows Installer Troubleshooter

When issues persist, you may run the Windows Installer Troubleshooter. This automatically detects and fixes problems concerning the Windows Installer service.

●       Download Windows Installer Troubleshooter from the site of Microsoft.

●       Run the troubleshooter and follow the instructions on-screen.

●       Once the process is done, reboot your system and try to install or update QuickBooks again.

4. Temporarily Disable Antivirus and Firewall

At other times, security software including the antivirus and firewalls might also intervene with the process of QuickBooks installation or updating. Eliminate this as one possible cause by disabling the antivirus or firewall, preferably only temporarily.

Disable antivirus:

●       Open your antivirus. Disable it.

●       Disable your Windows Firewall by clicking on Control Panel > System and Security > Windows Defender Firewall and then selecting Turn Windows Firewall on or off.

●       Turn off the firewall and antivirus, then try to install or update QuickBooks.

●       Remember to turn your firewall and antivirus back on after finishing the installation.

5. Check for Windows Updates

Ensure that your Windows operating system is updated. Outdated system files may cause issues with software installations.

●       Go to Settings > Update & Security > Windows Update.

●       Check for updates, then install any pending.

●       Install updates. Restart your computer and try again to install QuickBooks.

6. Manual QuickBooks Installation Repair

If QuickBooks had been installed, there is possibly a corrupted file or an installation problem. Running the repair will fix these problems.

●       Open Control Panel

●       Programs > Programs and Features

●       Locate QuickBooks in the list of installed programs

●       Right-click on it and choose Repair

●       Follow the prompts to complete the repair process.

●       After doing all that, restart your computer and then try installing or updating QuickBooks.

7. Run QuickBooks Install Diagnostic Tool

QuickBooks offers a specialized tool to fix installation errors. QuickBooks Install Diagnostic Tool will help repair any issues that are preventing QuickBooks from being installed or updated.

●       Download the QuickBooks Install Diagnostic Tool from the official QuickBooks website.

●       Run the software and let it finish its scanning and repairing process.

●       Once done, restart your computer and try installing or updating QuickBooks again.

Conclusion

We hope that the assorted alternatives drafted to troubleshoot QuickBooks Install Error Code 1618 illustrated in this article helped you resolve the problem without any hassle. If any difficulty troubles you, we recommend that you immediately contact our QuickBooks Enterprise Technical Support experts at 1-888-368-8874 to get your doubts and intricacies sorted out.