There are multiple reasons behind Error Code C=51, some of them are listed below:
1. Issues with QuickBooks verification.
2. QuickBooks rebuild error.
3. Errors while updating QuickBooks.
4. Company files are damaged.
5. Corrupted QuickBooks database.
The above steps should be followed in the correct order so that “QuickBooks Error Code C=51” can be solved efficiently. If the problem doesn’t get resolved or you face any technical issue then do not hesitate to reach us at QuickBooks Phone Number +1-855-434-3050.