How To Resolve QuickBooks Bex Error? [A Detailed Guide]

QuickBooks Bex Error, also known as "Buffer Overflow Exception," is an error that usually appears when an application tries to save more information on a memory block than it can handle. For example, when QuickBooks comes across a BEX error, it crashes immediately with an error message that shows "QuickBooks has stopped working, "further providing two options, i.e., either to check for a solution online or quit the program. Apart from that, it also shows the file name that is causing the error under the Fault Module Name, which can be different in your case. This blog is a perfect guide to tackling QuickBooks Bex Error Efficiently.

If you are unable to follow the steps, you can reach us at +1(855)-738-0359 to get guidance from our team of experts.

What are the Main Reasons Behind QuickBooks Desktop BEX Error?

There can be more than one reason that might be causing QuickBooks desktop Bex error in your system; we have mentioned some of them below:

  1. The most common reason behind this error is damaged Microsoft components like .NET Framework and Visual Basic C++.
  2. For example, you might face QuickBooks Desktop BEX Error due to a faulty QuickBooks QBWUSER.INI file.
  3. The QuickBooks process is being interrupted by third-party security applications on Windows.
  4. Another reason that triggers Error Problem Event Name BEX is a damaged hard drive.
  5. You are experiencing this error because the filename might follow the defined standard.
  6. Improper or partial QuickBooks Desktop installation is one major cause of the Bex error of QB.

You May Also Read: QuickBooks Desktop Error 1712

Solutions to Resolve QuickBooks Bex Error Code Quickly

There is more than one way you can get rid of this error; some of the Solutions have been mentioned below.

Solution 1: Rename the QuickBooks Company File to Rectify QuickBooks Bex Error

If the QuickBooks BEX Error has been triggered due to a damaged or missing QBWUSER.ini file, you can eliminate it by renaming the QBWUSER.ini file.

  1. Hit on the Windows icon and simultaneously press the Windows + E key to access Windows File Manager.
  2. Locate to the QuickBooks folder that is available in the C drive:\ Users\ [user name]\ AppData\ Local\ Intuit\ QuickBooks
  3. Browse and right-click on the QBWUSER.ini file, then click on the Rename option.
  4. You need to enter.OLD at the end of the file name and save it.
  5. Now try to open the QuickBooks application once again and check if the error is resolved.

Solution 2: Use QuickBooks Install Diagnostic Tool to Resolve BEX Error

The QuickBooks Install Diagnostic Tool is an important tool that diagnoses and consequently rectifies any installation-related issues.

  1. Start by getting the QuickBooks tool hub downloaded on your PC.
  2. Download the tool hub by accessing your downloaded.exe file in the Downloads folder.
  3. You need to run the Tool Hub now and type in the necessary credentials.
  4. When you have launched the Tool hub, you are supposed to go to the Installation Issues tab and select QuickBooks to install the diagnostic Tool.
  5. Now the Install Diagnostic tool will start with diagnosing and repairing any QuickBooks installation-related issues.
  6. When the process is completed, you are required to restart your computer.
  7. Re-launch your QuickBooks Desktop software and check whether this solution could resolve QuickBooks BEX.

You May Also Read: QuickBooks Payroll Update Error 15270


If you are facing the QuickBooks BEX Error, then you need not panic because this error is pretty easy to resolve. This article will guide you to eliminate the Bex error completely, and if the error continues, you can ring us at +1(855)-738-0359 to get help from our specialists.

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Comments 1

Guest - SAm (website) on Monday, 23 January 2023 07:27

Thanks, good article..

Thanks, good article..
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