QuickBooks accounting software is one of the most essential programs that reduce the work stress. At times, QB users gets infuriate in using this app just because of encountering errors. Such type of critical errors causes due to many reasons at which a user will get frustrate in fixing it. One of the main reason for occurring this error is you have not upgraded your QuickBooks software to its latest version.

In this blog, we have discussed about the causes as well as solution of QuickBooks Error Code C=343.

You may see the following error message on your computer screen:

QuickBooks Error Code C=343 Message - Pro Accountant Advisor

What is QuickBooks Error C=343

Sometimes, QB users gets Error message C=343 or the file name is not executable error messages displays when they try to open QuickBooks desktop. This error may cause limitations to access their company files as well as QuickBooks not responding or not works properly.

Note: This error code can also appear on QuickBooks Pro, Premier or any other QuickBooks desktop version, Mostly this problem arises in QuickBooks Enterprise Solutions Desktop versions.

Possible Causes of QB Error Code C=343

  1. MsXML Services.dil file is gets damaged or missing and unregistered: MsXML.DLL is a Windows Dynamic Link Library (DLL) file. DLL files are needed by programs or web browser extensions because they contain program code, data, and resources.
  2. If you’re not using the latest release version of QuickBooks:Just need to verify whether the latest version and release by pressing or holding the F2 key that displays the Windows Product Information on the spot.

Troubleshooting QuickBooks Error C=343

Below are the three best methods to troubleshoot QuickBooks Error C=343. Perform the given solution in the order discussed below to get the best result. However, you can contact to our QuickBooks data recovery support team to save your time while performing the technical steps.

You may also read: Methods to Restore files in QuickBooks desktop

Solution 1: Make an Updation of QuickBooks

  • First all end users will need to update the QB accounting software for its new latest release. (Note: The latest version is QuickBooks Desktop 2019)
  • Open the QuickBooks again in a normal mode.
  • If still troubling somewhere, then go to next solution.

Solution 2: Ready to record the files of MSXML.Dll

This will concentrate your installation process into Windows, remember one thing it’s not included the product of an Intuit.

✔ For running 32-bit PC, follow the below mentioned steps.
  • Open your windows system to run.
  • After this type it as “Regsvr32 MSXML3.dll” in the run bar field.
  • Click to the Ok key button.
  • When it registered as successfully, the user will receive a message to the end that displays as to Succeed.
  • To do so, restart your QuickBooks software.
  • If glitches still consecutively, then downloading or need to install MS core XML services through any QuickBooks Website.
✔ If this software runs with 64-bit computer, do follow the steps below:
  • Firstly click on the start button your windows system.
  • Then type it as the cmd in the dialog box.
  • Click Ok button.
  • Now, then a user need to open ‘C’ drive.
  • Enter CD drive – then select as windows > then type it as syswow64 and then again click to Ok key button.
  • After this, type as or enter the Regsvr32 MSXML3.dll & now hit the enter key.
  • While doing this, type it as Regsvr32 MSXML4.dll and again hit or press the enter key button on your keyboard.
  • When registration for both the files has been done successfully, make a restart of your QuickBooks accounting software.

If this solution yet not fixed by any chance, follow the next solution to diagnose it.

Solution 3: Uninstall & then Reinstall the MSCML.dll files.

  • Open the download page of Microsoft Core XML files.
  • Install these files or folders on your software program.
  • Now give a double click on msxml.msi that opens it and follow the instructions that instructed on your screen.
  • Finally restart your QuickBooks desktop.

Also read: How to Troubleshooting QuickBooks Error OL-332

Solution 4: Manually Resolve the Error

  1. First, the user required to re-register all necessary files or folders when running your QuickBooks accounting software.
  2. To do so, restart QuickBooks software for checking whether the problem gets diagnosed or not.
  3. If this error still persists again-n-again, you’ll need to download, now get to re-install Microsoft’s Core XML services.

Hopefully above solutions might fix your error on the spot. If this error is not solved by your end then reach us to our technicians by dialing our toll-free +1-844-405-0907. We provide the effectual services offered by our accounting experts.

We are specialized and have great technical skills in deploying prompt solution through several modes of services either on email or a phone contact. Stay connects with us at QuickBooks technical support number .i.e. +1-844-405-0907. Help is available round the clock.


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