How to fix QuickBooks Error Code C=343? from Diana Smith's blog

Have you encountered Quickbooks Error C=343? QuickBooks Error Code C=343 occurs when you are unable to access the company file and this generally happens when Quickbooks is not updated. 

Quickbooks error C=343 occurs when: 

1. MSXML file is damaged. 
2. There are unregistered Quickbooks files. 

How to fix Quickbooks Error C=343: 

1. You need to get the Quickbooks updated to the latest  release. 
2. Error C=343 can also be fixed by saving the MSXML.dll files or reinstalling these files from the Microsoft Core XML files. 
3. Running the Quickbooks install tool can also help you in averting Quickbooks error C=343. 

Hopefully, you are able to fix Quickbooks Error 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.