How To Fix QuickBooks Error Code C=343 (Detailed Guide)

Looking for how to fix QuickBooks error code C=343? In this article, we have provided a complete guide to aid you with detailed info and solution to fix the issue. Read the article to understand the error c=343 and learn to fix it in simple steps with ease, go through the article to resolve the issue, here we have provided different solutions to troubleshoot the issue, implement them and get it resolved. For more info contact us toll-free: +1-844-405-0904


What is QuickBooks Error Code C=343?

Most of the time, you get a  C=343 or the file name is not executable when you open QuickBooks desktop. It may cause restriction to access your company file and QuickBooks may not respond. Users should take care of updating software at a regular interval and be upgrading it to the latest version.

We will discuss here step-by-step instructions to deal with it. You can also take help from experts in the QuickBooks Support team.

Causes of QuickBooks Error Code C=343

According to Intuit, this error can occur when:

The  MsXML Services .dll file is damaged, missing or 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.

If you’re not using the latest release of QuickBooks. You can verify the latest version and release it by pressing F2 to display the Product Information Window.

First, you need to re-register these files while QuickBooks is not running and then re-start QuickBooks to check if the problem has been fixed.  If this error still occurs, you’ll need to download and reinstall Microsoft’s Core XML services.

How to Resolve QuickBooks Error Code C=343

Intuit provides three solutions to fix this issue. You may try first or all the solutions. Perform the given solution in the order discussed below to get the best result.

Solution 1: QuickBooks Desktop should be up-to-date.

  • Open the QuickBooks again.
  • If you still face this problem, follow the next solution.

Solution 2: Record the files of MSXML.DII

It concentrates on the Installation of Windows, which is not the product of Intuit.

For running a 32-bit computer, do the following steps:

  • Open the Run window.
  • Enter “Regsvr32 MSXML3.dll” in the run bar.
  • Click OK.
  • After successfully registered, you will receive a message at the end showing “Succeed”.
  • Now, restart the QuickBooks.

If the error still occurs then download and install Microsoft Core XML Services from any QuickBooks website.

For running a 64-bit computer, do follow the steps below:

  • Open the Run window.
  • Enter cmd.
  • Click OK.
  • Now, open C drive.
  • Enter CD – windows – syswow64 and then click ok.
  • Now, Enter Regsvr32 MSXML3.dll and then press enter key.
  • Then, Enter Regsvr32 MSXML4.dll and again press enter key.
  • After successful registration of both the files, restart the QuickBooks.

If this solution didn’t fix this error, then follow the next solution.

Solution 3: Uninstall and reinstall the MSCML.dll files.

  • Open the download page of Microsoft Core XML files.
  • Install these files.
  • Double click on msxml.msi to open it and follow the instructions which will be shown on the screen.
  • Restart the QuickBooks.

Note: This error code can also appear on QuickBooks Pro, Premier, or any other QuickBooks desktop version, Mostly this case arises with QuickBooks Enterprise, Solution is the same for all the desktop versions.

If you are not satisfied doing these solutions on your own, you can contact to the finest assistance to QuickBooks users which helps them to fix their QuickBooks issues within a moment. Call us at QuickBooks support phone number +1-844-405-0904 anytime and from anywhere to fix any issue of QuickBooks accounting software.

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