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4 Easy Methods To Fix QuickBooks Event ID 4 Error

quickbooks event id 4 unexpected error

QuickBooks requires several windows components to run the application smoothly on your computer without generating any errors. However, QuickBooks Desktop may come across several errors if any of these supporting components gets damaged or stops functioning correctly. QuickBooks event ID 4 is one such error that takes place when the user opens the QuickBooks Integration Manager tool (QBi). Another reason is if you have installed .Net Framework 4.0 or any previous version on your computer running on Windows 7 Service Pack 1. When it occurs, the following error messages appear on your screen:

“Integration Manager could not connect to QuickBooks. Please make sure that it is open” is displayed to the user".


“QuickBooks Event ID 4 – An unexpected error has occurred in “QuickBooks”: Returning NULL QBWinInstance Handle”

It is a Windows-specific error and QuickBooks installed on the server can also be affected. Moreover, you can resolve it at the earliest with minor downtime. To help you do that, we have listed the possible resolution methods ahead in this blog. But before that, you must get aware of the possible reasons that trigger this issue.

Would you risk your company data by manually resolving Enterprise Integration Manager Event id 4 Error? Surely, Not! Thus, we would suggest you take expert assistance to fix your issue. You may reach us by dialing our Helpline Number +1(855)-955-1942.

What Causes Integration Manager Error In QuickBooks?

One of the apparent reasons behind Integration Manager Error In QuickBooks is an issue in the .net framework and NET Framework 4.0 SP. However, there are several other factors that can trigger the QuickBooks Event ID 4 error as listed below:

  • The event id error can take place due to damage or corruption in the QuickBooks company file.
  • Your company file might be infected due to a malicious attack of malware or virus.
  • Partial or corrupt installation of the QuickBooks software can also result in event id error.
  • You might be using a corrupted Windows registry. 
  • Also, it might be caused when the crucial files related to QuickBooks are mistakenly deleted by a third party application running in the background.

Various Instances Of QuickBooks Error Event id 4 

Below we have listed all the different variations that the Event ID 4 error message has:

  • An unexpected error has occurred in “QuickBooks: Desktop Pro 2020”:
  • WPR: calling ABORT_CLOSE
  • An unexpected error has occurred in “QuickBooks: Premier Edition 2020”:
  • WPR: SetNameDriverAndPort call failed
  • An unexpected error has occurred in “QuickBooks: Premier Accountant Edition 2020”:
  • WPR: validation failed
  • An unexpected error has occurred in “QuickBooks: Point of Sale 2020”:
  • WPR: OpenPrinter call failed
  • An unexpected error has occurred in “Intuit QuickBooks Enterprise Solutions: Manufacturing and Wholesale 19.0”:
  • DMError Information:-6123 Additional Info:The server we are attempting to attach to can’t be found
  • An unexpected error has occurred in “Intuit QuickBooks Enterprise Solutions: Manufacturing and Wholesale 19.0”:
  • DB error -210 ErrorMessage:’User ‘456964656e’ has the row in ‘LOCKS’ locked’ from file:’src\sadbsess.cpp’ at line 4727 from function:’SADBSession::AcquireLock’

After getting a brief of possible causes and the different instances of Event id 4 Error in QuickBooks, you must try to fix it by following the resolution methods listed ahead. 

Troubleshooting Steps To Fix QuickBooks Event ID 4 Error

We understand how important it is for you to keep your QuickBooks account up and running, also running into error messages is never fun for any user. Therefore, to help you resolve the QuickBooks Event ID 4 error, below we have listed the possible troubleshooting methods:

Method 1: Try Reinstalling .Net Framework on Windows

One of the apparent reasons for getting errors and warnings in the Windows event log is incompatibility of Microsoft .NET Framework with third-party applications. In that case, you must try to reinstall and update the .NET Framework 4.0 on Windows to resolve the QuickBooks Event ID 4 error:

  • Firstly, you have to open the Run Window by simultaneously pressing Windows + R keys.
  • Then, type the command Appwiz.cpl in the text space and press the Enter key.
  • Search and select Microsoft .Net Framework under the Programs and Features list.
  • After that, click on the Uninstall/Change option.

    Uninstall and Reinstall .net framework to fix event id 4 error

  • Further, restart your computer once the un-installation process completes.
  • Go back to the Programs and Features window and click on Add / Remove Windows Features from the left side panel.
  • Click Microsoft .Net Framework to expand, from the list of programs.
  • Make sure to mark the first & second checkbox and click on OK.
  • Further, you have to follow the instructions that appear on your screen to fully uninstall the MS framework installation.
  • Once you have successfully removed the previous installation, make sure to download and install the latest version of Microsoft .Net Framework 4.8.
  • At last, you need to restart Windows and open the QuickBooks Integration Manager again.

The above solution didn’t help you fix the QuickBooks Event ID 4 error. Well, in that case, you must proceed to the below-listed solutions.

If you are facing QuickBooks Error C 343, here are the solutions to troubleshoot QuickBooks Error C 343.

Method 2: Run QuickBooks Install Diagnostic Tool

You can utilize the QuickBooks Tool Hub to fix several errors that you might come across while using the QB accounting application. 

  • Firstly, you have to download the QuickBooks Tool Hub ( by clicking here and saving it in a preferred location (either your Downloads folder or your Windows desktop) and install it. 
  • Once installed double click on the Windows desktop icon to open the Tool hub.
  • Go to the Installation Issues tab and then select QuickBooks Install Diagnostic Tool.
  • At last, make sure to run the QB Install Diagnostic tool and restart your computer.

If running the Install diagnostic tool resolved your QuickBooks Event ID 4 error then you’re good to go, else Don’t worry! The next solutions can also help you out.

Method 3: Try Performing a Clean Installation of QB Desktop

Many times, you might end up with QuickBooks Event ID 4 Error due to damaged functions of the QuickBooks Desktop application. In such a scenario, you must run a basic reinstall when the same issue affects more than one of your company files. However, if that doesn’t work, you may do a clean install by using the QuickBooks Clean install tool. It replaces the QuickBooks system files on your computer. Moreover, you don’t need to worry about your accounting data as a clean install won’t affect it, since your company file and everything it holds isn’t involved at all.

Perform Clean Installation of QB using Clean Install Tool

  • Simply go to the QuickBooks Tool hub and Click on Installation Issues.
  • After that Click Clean Install Tool to perform a clean installation of QB

Method 4: Run QuickBooks File Doctor to Resolve Damaged Company file issues

You might come across several error messages in your Windows event log file due to a damaged company file. Well, you don’t need to worry if that’s the scenario, as you may utilize the QuickBooks file doctor to repair damage in the company file. QuickBooks File Doctor is a tool designed to recover your damaged company files and help solve some of your network issues. 

Note: If you are still stuck with the print event id error even after implementing all the above-listed solutions, it’s because a virus or malware has infected your company file. In such a situation, we would recommend you to install and run reliable antivirus software. It will eliminate any virus infection that has triggered QuickBooks Event ID 4 error in different QuickBooks versions.

Need Help To Fix Event ID 4 Error!

We have listed all the possible troubleshooting methods that can help you resolve QuickBooks Event ID 4 error without any hassle. However, if you get stuck while following any of the above-listed solutions, we would suggest you get in touch with our experts by placing a call on QuickBooks Data Service Solutions helpline number +1(855)-955-1942. Our team is available round the clock to help resolve any QB-related query.

QB Event Id 4 Error FAQs

1. Why do I keep getting an Event ID 4 error on my server 2012R2?

It can be because of several errors, some of which include damage or corruption in the QuickBooks company file or corrupt installation of the QuickBooks software.

2. Do I need to upgrade my current .net framework version (3.5) to eliminate the event ID 4 error?

Well, Yes! You must upgrade your .net framework version to 4.7 or 4.8. 

Lisa Newman Administrator
Lisa Newman is an accomplished author at Data Service Solutions, specializing in technical and QuickBooks content. With a passion for simplifying complex concepts, Lisa’s expertise lies in creating insightful and user-friendly guides. Her dedication to demystifying data services and QuickBooks has made her a valuable resource in the tech and financial sectors.

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