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How to Resolve the QuickBooks Error Code C=343?

QuickBooks since its inception has managed to cater some of the best features and functionalities to the users, making it the best accounting software. The only drawback of this software can be that it is prone to certain types of errors. One such error can be QuickBooks error code C=343. When the user is unable to access the QuickBooks company files, he/she might end up in QuickBooks error code C=343.




In case you are a victim of QuickBooks error code C=343, then we can surely help you with this piece of writing. Or you can also connect with our team professionals using our dedicated helpline.


Causes behind QuickBooks error C=343

The user can end up in such an error, due to the following reasons:

  • If the file is damaged.

  • Or if the file is missing.

  • Also, when the file is unregistered.

  • Or if the user is not running the latest release of QuickBooks accounting software.

  • In case the Microsoft core XML services.dll files are unregistered, damaged, or missing.


Methods to resolve the QuickBooks error C=43

The user can try fixing the QuickBooks error C=343 by performing the below steps:

Method 1: Uninstall and reinstall MSXML .dll files



  • The first step is to open the download page and then look for the files.

  • Download the files on the system.

  • Install these files on the system and then double click on the MSXML.MSI file and then perform the detailed instructions displayed on the screen.

  • End the process to reboot the software and check if the error persists.


Method 2: Use QuickBooks in safe mode

  • The user should first press Ctrl and double click the QuickBooks icon.

  • After that the software will open in safe mode with multiple company files.

  • Further click on the file.

  • And select the open file and browse through the file documents.

  • Run verify and rebuild data, if the QuickBooks open and the new company file is not opening:

o Select the file.

o And move to the file operations.

o Verify rebuild.




Implementing the above scribbled steps would ensure easy rectification of QuickBooks error code C=343. However, if you are stuck at any point of time, or if you need our assistance, then do not think twice, simply ring up to our U.S. based accounting professionals using our helpline i.e.1-800-761-1787.


Our QuickBooks enterprise customer support team of accounting experts will ensure to cater the best possible support services instantly.


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