QuickBooks is a popular accounting software used for the management of financial data. However, such software sometimes malfunctions due to errors that come up from nowhere. QuickBooks Error Code C=51 is one of these errors. Though it is less common, you will still see this error from time to time among QuickBooks users. Generally, it is associated with errors in transactions and can be annoying because it may not let you do something really important in your accounting software.

In this blog post, we would discuss the QuickBooks Error C=51 as well as introduce you to a simple step-by-step guide on its fixing.

How to Repair QuickBooks Error Code C=51?

1. Run the QuickBooks File Doctor Tool

The QuickBooks File Doctor Tool is a utility that the QuickBooks company has put together in-house to diagnose problems in your company file, such as error C=51. Running this tool is one of the most efficient ways to repair it.

Steps:

●     Download and install QuickBooks File Doctor Tool from the official QuickBooks website.

●     Open the tool and select the Company File that is showing the error.

●     Click on Start to begin the repair process. The tool will automatically detect and fix issues within the company file.

2. Open a Backup of Your Company File

If QuickBooks Error C=51 happened following a recent transaction or update, it could be due to damage in the existing company file. Restoring a backup file could resolve the issue in this case.

Steps:

●     Open QuickBooks and go to File > Open or Restore Company.

●     Select Restore a Backup Copy and click Next.

●     Choose Local Backup and select the backup file you want to open.

●     Follow the on-screen instructions to recover from the backup.

3. Update QuickBooks to the Latest Version

Sometimes, the issue may be as a result of your QuickBooks version being old. Updating will ensure that you have all the latest fixes and improvements done on the software.

Steps:

●     Open QuickBooks and go to Help > Update QuickBooks.

●     Click Update Now and let all the updates be installed.

●     Restart QuickBooks after the update and see if the error still exists.

4. Check and Rebuild Data

QuickBooks has utilities in-built to verify and rebuild your company file. This can resolve data integrity issues.

Steps

●     In QuickBooks, go to File > Utilities.

●     Select Verify Data. QuickBooks will scan your company file for errors.

●     If there are errors, return to File > Utilities and choose Rebuild Data to automatically repair the problems detected.

5. Troubleshoot with the QBWin.log File

The QBWin.log file tracks every action that the QuickBooks does. It could be helpful when troubleshooting problems, such as Error C=51.

Procedure

●     Open the QBWin.log file in the QuickBooks folder.

●     Review the log for any error messages related to C=51 or company file corruption.

●     If the log indicates that a particular transaction or file is causing the error, try deleting or modifying it to fix the issue.

6. Review the Network Setup

If you are accessing the QuickBooks product in a multi-user network, then networking setup problems may also cause this issue to occur.

Solution steps:

●     Validate all computers of your network for their QuickBooks versions.

●     Ensure the server and other workstations have access to the company file and network drive.

●     You may want to run the QuickBooks Database Server Manager to be sure the server is being set up correctly.

Conclusion-

QuickBooks Error Code C=51 is very frustrating, but it can be resolved with the right steps. Running the QuickBooks File Doctor Tool, restoring a backup, updating the software, verifying and rebuilding data, checking the network configuration, or creating a new company file will surely help fix the problem. If you are still facing trouble, you may need to contact at 1–800–761–1787 for QuickBooks support or a professional IT technician for further assistance.