Like other applications, QuickBooks also relies on the Windows file system and resources to perform properly. But if a program crashes with memory resources, then you may experience a BEX error in QuickBooks. BEX (Buffer Overflow Exception) error is triggered when a program interferes with Windows data execution by storing data that exceeds the memory region’s limit. QuickBooks BEX error happens when an application tries to save more data on a memory block than it can hold.
It displays an error message with a Problem Event Name of BEX as the issue and an application name of qbw32.exe, indicating that the error occurred in QuickBooks Desktop.
Error Message:QuickBooks has Stopped Working. Windows can check online for a solution to the problem”
Make sure you read this blog post until the end to get complete awareness of the QuickBooks BEX error that makes it easy for you to troubleshoot it and get back to work.

reasons behind the occurrence of BEX errors in QuickBooks Desktop
The BEX error in QuickBooks is caused by several issues with the QuickBooks Desktop application and the Windows operating system, including corrupted Microsoft components such as Visual Basic C++.
Below we have listed every reason that can cause QuickBooks BEX error:
- The data on your hard drive has become corrupted or has been damaged.
- .NET Framework and Visual Basic C++ are among the Microsoft components that have been damaged.
- The QBWUSER.INI file in QuickBooks is corrupt or missing.
- Incorrect installation of QuickBooks Desktop.
- Your company file name might be a bit lengthy.
- QuickBooks processes are being disrupted by the third-party security software installed on Windows.
- Windows system files that have been corrupted.
Important pointers must be taken into consideration before you jump to troubleshooting methods
Consider the following points before proceeding with error resolution to save time and avoid errors, as well as to streamline the error resolution process:
- Make sure you’re not running QuickBooks Desktop 2014 or previous versions on Windows 10, as they’re not compatible.
- Make sure the company file name isn’t more than 35 characters. If this is the case, rename the file to make it shorter.

- Exclude QuickBooks from your antivirus or anti-malware software’s scan list.

- QuickBooks can be reinstalled using the Clean Install Tool, which can fix a broken QuickBooks installation.
- If you’re having the same problem while using other Windows applications and your machine isn’t running well, you should examine your hard disc. Replace the damaged one.
- If you’re getting an error when trying to open the company file, try updating QuickBooks without doing so.

- If automatic updates are disabled, do a Windows operating system update.

- Use the Windows Check disk feature to check your hard drive for damaged or faulty sectors.

Resolutions for QuickBooks BEX Error
You’ve already gone through the basic troubleshooting steps, which resolve the issue in most cases. If the error persists after checking the pointers stated above, use the advanced troubleshooting steps listed below to get the QuickBooks BEX error resolved immediately.
Resolution 1: Run the QuickBooks Install Diagnostic Tool by downloading QB Tool Hub
QuickBooks Install Diagnostic Tool can repair the damage and resolve BEX errors. Below are the steps to download the QuickBooks tool hub:
- Start with downloading and installing the QuickBooks Tool Hub of the latest version
- Next, press the keys Ctrl + J at the same time to open the download folder
- Now, perform a double-click on the QuickBooksToolHub.exe downloaded file, also agree to the given terms and conditions
- After that, you have to follow the instructions to complete the installation
- Move to the Desktop after the installation is completed
- Then close all the programs that are running background on your system
- Open the Tool Hub by clicking on the same icon.
- You can also use the Windows Search feature to open the QuickBooks Tool Hub if you’re unable to find it with the above step
- Once done with that then hit on the tab called “Installation Issues” and choose the option “QuickBooks Install Diagnostic Tool”
- Again follow the instructions on the prompts and then let the tool repair the damaged installation components

Resolution 2: Repair the QuickBooks User file
If the QuickBooks User File is corrupted, rename it using the instructions below:
- Open Windows File Manager and navigate to \ Users\ [user name]\ AppData\ Local\ Intuit\ QuickBooks on the C drive
- Right-click on the QBWUSER.ini file to open it
- Choose Rename and then Add
- Now, you have to add the word OLD and make sure it appears at the end of the file name after adding it.
Resolution 3: Update your Windows Operating System with the latest release
If Windows Update can help you to resolve the BEX issues then follow the below-mentioned steps:
- To bring up the Run window, use Windows + R on your keyboard
- In the Run window’s textbox, type Control Panel and press Enter
- Locate and select Windows Update from the Control Panel, or type Windows Update into the top-left search box
- To check for updates, go to Windows Update and select Check for Updates

- If Windows finds any updates, click Install Now to download and install them
- Restart the machine once Windows finishes installing updates and try installing QuickBooks Desktop again.
Summing Up!
Because the QuickBooks BEX error is so closely linked to Windows, there’s a chance you’ll keep seeing the error even if you follow the steps above. It is expected that it will help to fix the error but the only suggestion is you must follow the instructions in the described manner as single mistakes can end up in different trouble or glitches.
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