QuickBooks Error Code C=343

Published On - July 27, 2021

Diana QuickBooks Enterprise Solutions
QuickBooks Error Code C=343

Your work on Quickbooks can be sometimes hampered by certain errors. For instance, QuickBooks Error 343. QuickBooks Error Code C=343 usually occurs when you are not able to access the Quickbooks company file. 

What is QuickBooks Error Code C=343?

Quickbooks error C=343 occurs when you are unable to access the company file and this generally happens when Quickbooks is not updated. 

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Causes for the occurrence of  Quickbooks Error C=343:

  • MsXML services(.dll) file might be damaged. 
  • Quickbooks not updated to the latest release. 
  • There may be some unregistered files. 

How to fix QuickBooks Error Code C=343?:

Solution 1: Updating Quickbooks.

  • You need to update the Quickbooks to its latest release. 
  • And then try to open the Quickbooks. 

Solution 2: Saving the MSXML.dll files. 

  • Go to the run window and search for Regsvr32 MSXML.dll.
  • You will see a message “Successful registered status. 
  • Click on the Succeed prompt. 

QuickBooks Error Code 343 Solution 3:Reinstalling MSXML.dll files. 

  • Go to the download page and find MICROSOFT CORE XML files.
  • You need to download these files in your system. 
  • Next, proceed to install these files in the system and click on MSXML.dll file and follow the onscreen steps. 
  • Finally, reboot the Quickbooks. 

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Solution 4: Using Quickbooks in the safe mode. 

  • Click on the Ctrl key and then make a double click on Quickbooks icon. 
  • It will open the Quickbooks in the safe mode with the multiple company files. 
  • Make a click on the file. 
  • Now open the file and you need to browse through the documents. 
  • You need to verify the data from the utility tab of the file menu. 

Solution 5: Using Quickbooks install diagnostic tool. 

  • You need to download the Quickbooks install diagnostic tool. 
  • Next, save the file to the local desktop abf run the QB install tool. 
  • You need to shut down any program which is opened. 
  • The tool will fix any installation issues in the Quickbooks. 

Hopefully, you are able to fix QuickBooks Error Code C=343, if you are still facing any issue, you can reach out to Quickbooks enterprise support at +1-888-485-0289 and our team will help you to fix Quickbooks error C=343.