How to Eliminate QuickBooks Error Code C=51?

by Joey Williams QBS Enterprise Support

Error code C=51 can occur unexpectedly due to the deletion of any file. While it is not a common error, it is important for users to troubleshoot and resolve this issue quickly. In this comprehensive guide, you will learn about this error in detail and various methods to eliminate it.

A brief review of QuickBooks Error C=51

QuickBooks Error Code C=51 occurs when the application cannot find the TxList file, which users may encounter when trying to delete or remove a transaction. To resolve it, users can try closing all reports and the QuickBooks application and restarting the system. If the error persists, keep reading the blog to learn more about why it's happening and how to fix it.

What are the Causes of QuickBooks Error C=51?

● The primary reason for the error is missing or deleted transactions in the TxLists.

● Unstable internet connectivity can interrupt QuickBooks activities and cause the issue.

● The presence of malicious software can corrupt the QuickBooks company data file and cause errors.

● Damage to the QuickBooks Database Server Manager can lead to errors.

● If a person encounters an error while doing the QuickBooks verification or rebuilding.

● Corrupted company files may also lead to this error.

● Issues with updating QuickBooks Desktop can trigger the QuickBooks Error C=51.

● The transaction log folder (.TLG) might be in the same folder as the corrupted company files (.QBW), causing this issue.

● Damage to the media or hardware where old QuickBooks backups have been stored can cause this issue.

DIY Methods to Resolve the QuickBooks Error C=51

Here are some steps you can take to resolve this error:

Method 1: Reinstate Deleted transactions

● Open QuickBooks Desktop and access the Settings tab.

● Select the Audit Log option and choose the relevant user, date, or event of the transaction.

● Click on Apply and look for the deleted transactions. You can also use the Ctrl + F keys to search for them by typing in "Delete."

● Move to the History section, click on View, and gather the necessary data from the Event section.

● Now, re-enter the transaction using the following steps:

● Click on the New icon and select "Invoice/ Transaction."

● Choose the customer for whom the transaction needs to be created.

● Enter the Date of transaction and click on "Products/ Service." Fill in the required details in the specified fields.

● Finally, select "Save and Send" or "Save and Close" based on your preference.

Method 2: Perform a Backup Restore of Company File

Before proceeding with the steps, ensure that the company file backup is stored on the local drive of the device, not on any external device or cloud software.

● Open QuickBooks Desktop and access the File drop-down menu.

● Tap on "Open or Restore Company," and then select the "Restore a Backup Copy" option.

● Click on Next, choose Local Backup, and press Next again.

● Search your device for the file backup, which is in the format - company file name.qbb.

● Select a folder to store the file, ensuring that it is not the same folder as your company file.

● Click on Open, and then on Save.

Method 3: Check your Internet Connection

● Try reconnecting your internet connection to your computer.

● If multiple devices are connected to the internet, you may experience slow service.

● Restart your Wi-Fi router and then reconnect to the network.

● Ensure that you are not working on a public connection as it could harm your device.

● Switch between your Wi-Fi and mobile network to confirm if it's the Wi-Fi that is at fault.

● After completing all checks, contact your service provider to find a solution if the problem persists.

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Wind Up!

This article has provided information about various methods to resolve the QuickBooks error code C=51. If you have tried all the solutions but still can't eliminate the error, it is recommended to contact the QuickBooks technical support specialists for assistance by calling 1-800-615-2347.