Quickbooks is the most efficient software, which is used for financial and accounting tasks by small and medium sized businesses. Occurrence of this error causes disturbance in the working of Quickbooks. Quickbooks Error Code C=9 does not allow you to read or access the file. 

What is QuickBooks Error C=9?

Quickbooks Error C=9 appears when Quickbooks is unable to read the substitute files in the OS. It may harm the company file and also may take the copy of the data file to other disk or drives. Qb Error C=9 may also harm the source code of QB. 

What causes QuickBooks Error code C=9?

1. Damaged installation disk. 
2. When Quickbooks fails to read from an auxiliary file in the system. 

How to fix QuickBooks Error code C=9?

using Data recovery tool.

1. Create a backup of the company file and ensure that Quickbooks has an 
 appropriate transaction file which includes Quickbooks software (.TLG). 
2. Download the Quickbooks data recovery tool from the intuit website. 
3. Get a data recovery tool installed in the system. 
4. After installation, run Quickbooks data recovery tool. 
5. The tool will fix the issues in the data files. 

If you are still facing any issue, you can contact QuickBooks enterprise support at 1888-485-0289 and our team of experts will help you in fixing QuickBooks Error code C=9.