Looking for a convenient way to overcome QuickBooks keeps aborting in multi-user mode error?
No worries, your search ends up here! Here you’ll find the most appropriate solution to help you rectify the issue. So stay connected till the end.
Activating QuickBooks multi-user mode lets multiple users work simultaneously on the same company file. But it requires a properly configured network, and having minor issues with your network connection may lead you to a QuickBooks Abort error or QuickBooks Connection has been Lost error. The error mainly emerges due to a damaged QBWUSER.INI file. As a result, it may lead to frequent system crashes while saving the company files.
When QuickBooks keeps aborting in multi-user mode error occurs, the following error prompt starts popping up on your desktop screen:
“The connection to the company files has been lost. QuickBooks must close immediately. Any unsaved data will need to be re-entered”.

Guide to Fix QuickBooks Aborting in Multi-user Mode : Causes and Solutions
Error Cause | Solution |
Improper Hosting Settings | If the hosting settings are not properly configured or multiple computers try to host the company file on the same network, you need to check the Hosting Settings on your server. |
Damaged QBWUSER.INI file | You have to change the name of the QBWUSER.INI file if it’s corrupted or lost. |
Firewall Restriction | If the firewall is interrupting the access to the network then you need to either disable it or manually configure the Firewall Settings. |
Installation Issues with the QuickBooks software | If you are having installation issues related to the QuickBooks software on the server, then it is recommended to download the QuickBooks tool hub and then run the QuickBooks install diagnostic tool. |
Additional Permissions are Required | You need to set permissions to access the QuickBooks Installation Folder if you want to get over QuickBooks keeps aborting in multi-user mode error. |
QuickBooks Company File data corruption | At this point, you are required to repair your company file at the earliest if you don’t want to encounter this issue again. |
How to Determine QuickBooks Keeps Aborting in Multi-User Mode?
Before troubleshooting QuickBooks keeps Aborting in Multi-user mode, it is important to identify the indicators of the same. Here, we have listed each one:
- Accidental Crashes: The error may occur due to sudden crashing of the system.
- Frequent Shutdowns: While working on QuickBooks software, you may experience regular shutdown without any error message.
- Getting QB unrecoverable error: You may encounter QuickBooks unrecoverable error prompts with an error description.
- Recurring freezes: The software freezes repeatedly and hampers all your accounting tasks.
- Unwanted closing on Windows 8: If you are using Windows 8, your QuickBooks Desktop gets closed out of nowhere.
- Possibility of Fatal App Exit: The program will be closed, and a Fatal App Exit is also possible.
Why Do you End Up with QuickBooks Keeps Aborting in Multi-User Mode Issue?
When QB keeps aborting in multi-user mode, it prevents you from working seamlessly and eventually affects the productivity of your business. There are a variety of reasons that give rise to such an error; most common ones are enumerated below:
- Improper Hosting Settings: When several computers try to host the company file on the same network, you will most likely encounter this abort error.
- QBWUSER.INI file Corruption: If the QBWUSER.INI file is being missed or damaged, this may get you into the QuickBooks abort error.
- Firewall Interruption: The firewall or other antivirus program interrupts access to the Network.
- Installation issues with the QB Software: When the QuickBooks version you are currently using is inappropriately installed on the Server.
- Needs Additional Permissions: The folder in which your company file is saved requires additional permissions to access the QuickBooks Installation Folder.
- Damaged QB company file data: If there’s an issue with your company file data, the QB abort error may occur.
Prerequisites to Be Considered Before Fixing QuickBooks Keeps Aborting in Multi-User Mode!
Below we have mentioned some pointers you need to keep in mind while moving further with the QuickBooks keeps aborting in multi-user mode solutions.
- Ensure you provide additional permission to the folder where your company file is stored.
- You need to confirm that the QBWUSER.ini file is not being missed out or damaged.
- Turn off the firewall if it is blocking the access to the network.
- Verify whether the users are not using different QuickBooks Desktop versions in a multi-user mode.
- Do check that Windows power management settings are disabled in hibernation mode or sleep mode.
- You must ensure several computers are misconfigured to host the QuickBooks Company File on the same network.
- Update QuickBooks Desktop to the latest release.

Troubleshooting QuickBooks Keeps Aborting in Multi-user Mode: A Comprehensive Guide!
Want to fix QuickBooks keeps Aborting in Multi-user mode in one go? If yes, then below we have explained every solution in detail so that you can easily understand what the issue is all about. Let’s get started without any ado.
Case 1: When Multiple Computers Try to Host the Company File on the Same Network

In this situation, you need to check the QuickBooks Hosting Status on your Server. Here’s how:
- For this, open QuickBooks on the server computer.
- Now, head to the File menu and select the Utilities option.
- Click on the option Stop hosting to multi-user access.
- Afterward, tickmark on the checkbox stating “Open file in multi-user mode” to access the company file.
- Finally, try to run QuickBooks and verify whether the issue still stands its ground or not.
Case 2: When QBWUSER.INI File is Damaged or Corrupted

Corruption in QBWUSER.INI file may promote this abort error; rename this file to prevent the same.
- The initial step is to find the folder where the ‘QBWUSER.INI’ file is stored.
- Next, navigate to the path \Users\[User Name]\AppData\Local\Intuit\QuickBooks(year).
- If you fail to find it even after searching the storage, ensure that the hidden files and folders option is turned off. However, disable it and then Apply the setting if it is enabled.
- Once the file is found, right-click on the file and select Rename.
- Hit the text box and add .old at the end of the filename, then press the Enter key.
- After this, rename the ‘Entitlement data store‘ and ‘.ecml’ files.
- When all the file names are changed, open a sample company file to complete the process. If you can’t open this sample file, copy and paste it to another local folder.
Case 3: When your Firewall is Restricting Access to the Network

If the issue still pervades, try configuring the Windows Firewall Settings manually. It will help you to eliminate the QuickBooks keeps aborting in multi-user mode error.
- To begin with, go to the Windows Start menu.
- Now, enter Windows Firewall into the search box and then open the same.
- Click on the Advanced settings.
- After this, hit right-click on the Inbound Rules and then select the New Rule option.
- Choose Port and then press Next.
- Moving ahead, make sure that TCP is selected.
- Under the Specific local ports field, type the Specific ports required for your QB year version, such as:
- QuickBooks Desktop 2020 and later: 8019, XXXXX.
- QuickBooks Desktop 2019: 8019, XXXXX.
- QuickBooks Desktop 2018: 8019, 56728, 55378-55382.
- QuickBooks Desktop 2017: 8019, 56727, 55373-55377.
- Once you enter the port number, click Next.
- Select Allow the Connection and then hit the Next tab.
- If prompted, check that all profiles are marked and press the Next button.
- Create a rule and name it like “QBPorts(year).”
- At last, click Finish.
Note: To create Outbound rules, revise the same steps.
Case 4: When QuickBooks is Not Successfully Installed on the Server

You will notice the same error message if there are installation issues with your program itself. Therefore, you need to download the QB tool hub and run the QB install diagnostic tool. Here’s how:
Step 1: Download the QuickBooks Tool Hub
- Firstly, close QuickBooks and download the latest QuickBooks Tool Hub version.
- After this, save the file where you can easily access it, like your Downloads folder or Windows Desktop.
Note: If you have installed the Tool Hub earlier, you can find out which version you have. For this, hit the Home tab, and the version will appear on the bottom.
- Now, open the file you downloaded named QuickBooksToolHub.exe.
- You must follow all the on-screen prompts to install and agree to the terms and conditions.
- Once the installation is completed, click your Windows desktop icon twice to open the tool hub.
Step 2: Run the QuickBooks Install Diagnostic Tool
- Launch the QuickBooks Tool Hub program and click the Installation Issues tab.
- Select QuickBooks Install Diagnostic Tool from here and let the tool run. It may take up to 20 minutes.
- Once done, restart your system and open the QuickBooks Desktop version, then head to your data file.
- To finish, update your QuickBooks Desktop to the latest release. It will make sure you have the most recent fixes and security updates.

Case 5: When the Company File Needs Additional Permission
At this point, you need to grant permissions to access the QuickBooks Installation folder so you don’t have to experience the QuickBooks keeps aborting in multi-user mode.
- Open Windows File Explorer and navigate to the following path: “C:/Program Files/Common Files”.
- To change the security settings for the common files folder, hit right-click on it and then select the Properties option.
- Now, navigate to the Security tab and press Edit.
- Click on Users under “Groups or Usernames”.
- Modify and enable the write, read, read, and execute rights under the Users tab.
- Afterward, click on Apply and press the OK button at the end.
Case 6: When there’s an Issue with your QB Company File Data
Repairing your company file is the only option you have left in this situation. For this, you can use the verify/ Rebuild data Utility tool. Let’s see how:
- Initially, open QuickBooks Desktop and then hit the File menu option.
- After this, select the Utilities option and then choose Verify data.
Note: If the error message gets displayed after verifying the data, you don’t need to run the Rebuild tool. But if the error message “Your data has lost integrity” displays on your screen, you will be asked to repair the damaged data file.
- Choose the Utilities tab in the File menu and select the Rebuild data option.
- Once done, press the OK tab on the backup company file popup window.
- Now, select the location on the system to store the company file backup, and then click OK.
- The Data Rebuild process will start when the backup file is saved on the desktop successfully.
- Finally, choose the Backup option from the File menu to restore the company file backup.

In Conclusion
Hopefully, the above-given information is helpful for you to get rid of this problem. But if you are still facing any kind of issues with your software and need professional assistance, regarding accounting, bookkeeping & accounting software-related issues then feel free to get in touch with us at +1-802-778-9005, or you can mail to us at: [email protected].
FAQs
Why Does “QuickBooks Keeps Aborting in Multi-User Mode” Error Occur?
QuickBooks Abort error arises due to damaged, lost, or missing QBWUSER. INI files, hardware-related issues, or corrupted Windows. Also, when the firewall or Antivirus installed in your system is blocking access to the network and hampering your business tasks, this may cause such an error.
How Do I Fix “QuickBooks Keeps Aborting in Multi-User Mode” on Windows 11?
Repairing QuickBooks Desktop is the best way to tackle Quickbooks keeps aborting in multi-user mode problems while working with multi-user mode on Windows 11. For this, just go to the Windows Start menu. Look for “Control Panel”, then open Control Panel >> Choose Programs and Features or Uninstall a Program. Select the QuickBooks Desktop version you want to remove from the list of programs. After this, click Uninstall/Change, Remove, and press the Next button. If this option doesn’t appear, sign out and sign in back into Windows as an administrator.
What is the Most Common Resolution for “QuickBooks Keeps Aborting in Multi-User Mode” Error?
There are multiple methods to prevent QB abort errors, but checking the QuickBooks Hosting status is the most common one, so open QuickBooks on the server computer. Now, go to the File menu and then select the Utilities option. Click on the Stop Hosting to multi-user access option. Afterward, tickmark on the checkbox stating “Open file in multi-user mode” to access the company file. And lastly, try to run QuickBooks and verify whether the issue persists.