How to Troubleshoot QuickBooks Error C=51?

All the accounting tasks performing in QuickBooks are saved in the Company files. These files can encounter a series of error codes. These prevent users from opening or modifying their Company data. In the present discussion our focus will be on QuickBooks Error C=51.

The scope of this blog shall be to highlight the various causes and then list out the different technical methods to fix Error code C=51 in QuickBooks desktop.

What are Causes behind QuickBooks Error C=51?

The main causes that lead to this QuickBooks Company file error are:

Company file getting damaged or Corrupted.
Files related to QuickBooks got deleted or damaged.
QuickBooks database server manager is damaged, or its process is corrupted.
Excess Temporary files can also trigger this company file error (Error C=51)

Multiple Methods to fix QuickBooks Company file Error C=51

The user needs to perform the methods given below to resolve this company file error.

Method 1: Deleting the Temporary files

From the Run window, the user should type “%TEMP%” and then press Enter key.

The next step is to choose all the Temporary files and get them deleted from the system.

If Error C=51 still shows up when opening the company file, restore the backup of the file (if created earlier). However, if the backup of the file want created, then perform the next method.

Method 2: Fix File integrity issues using the Verify and Rebuild Tool

At first, run QuickBooks and when the accounting program is open, move to the File tab.
Within File, take the mouse to Utilities.
In here, choose Rebuild option and then browse the company file which triggered Error C=51.

The tool will prompt to save the backup first. Do it, and then proceed with the Rebuild option.
There is one way of verifying the effectiveness of this tool. Within the same Utilities section, click on the Verify tab.

This will check the company file for any further issue and shall also make sure that the Rebuilding process performed earlier was successful.

Method 3: Update QuickBooks to latest

Updating QuickBooks desktop secures the program against potential threats and also secures the company file against corruption. The procedure is:

Run QuickBooks with admin privileges.

Following that, make an advancement to the “Help” tab.
Here, go for the option labeled “Update QuickBooks” and then click on “Update Now”.

The process to start downloading the update can be initiated by clicking on “Get Updates” option.
As soon as the updates get successfully installed, open QuickBooks and a prompt to install the updates appears, where you need to click on Yes.
Now, try to open the company file once again just to get an assurance that QuickBooks Error C=51 does not exist anymore.

Method 4: Using the File doctor tool

File Doctor tool is one of the many troubleshooting tools in the QuickBooks tool hub program. Although this hub of tools is not integrated in QuickBooks, but it has been rolled out by Intuit and has proven effective in rectifying Company file and network related issues.

The QuickBooks Tool Hub first needs to be downloaded from Intuit.
When that has been done successfully, the next step is to install the tool and run it.
Then, go to the company issue and click on Run QuickBooks File Doctor tool.

Now, choose the Browse tab and opt for the company file which was fraught with ongoing issue. Let the tool do its task.

Summing Up!

This article discussed different methods to fix QuickBooks Error C=51. If you want further help, just call our QuickBooks desktop error support experts at 1-800-761-1787.