How to Troubleshoot QuickBooks Error Code C=51?

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How to Troubleshoot QuickBooks Error Code C51?
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• QuickBooks is an exceptional payroll and
  accounting software used by thousands of
  businesses globally. It has valuable, helpful
  features, but it also has some flaws that could
  make it frustrating. Intuit QuickBooks has many
  valuable features, but it suffers from severe
  technical issues that can make even basic tasks
  challenging. One of these issues is the infamous
  QuickBooks error C51.
• In this blog, youll discover various ways to fix
  your QuickBooks application quickly. For example,
  you might run into this if you try to delete some
  transactions from a report. This error message
  may appear anytime while processing transactions
  in your QuickBooks company file.
• Causes of QuickBooks Error Code c51
• The triggers of QuickBooks error C51 are
  identified once you understand the issue. Find
  the reasons below indicating why the error code
  c51 appears
• Problems with QuickBooks rebuilding or QuickBooks
  verification.
• Company data is compromised.
• When the QuickBooks database becomes damaged or
  corrupted.
• When updating QuickBooks on a desktop computer,
  you may encounter problems.

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• Methods of Troubleshoot QuickBooks Error c51
• Method 1 Verify the Data and Rebuild Data
• Close all applications in your system
• Launch the QuickBooks desktop application and go
  to File.
• Navigate towards the Utilities tab and choose
  Verify Data.
• Once done, a message will appear on your screen.
  Identify it and take the necessary steps.
• If the error message prompts you to continue to
  later steps or Your data has lost integrity
  appears, repair your file.
• To repair, launch Repair Data Tool
• Locate Files go to Utilities, and choose
  Rebuild Data.
• Make a backup file and run the tool to run
• Once finished, click OK.
• Now, ensure the damage has been repaired by
  rerunning the tool.

• Method 2 Launch Latest QB Version
• Open the QB application
• Go to Help

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• Select the Update Now tab
• Go to Get Updates to ensure the available
  updates
• If present, download them and open the QB
  application again to check the error.
• Method 3 Restore Backup
• Make sure the backup file of company data is
  saved in the local drive
• Launch the application and navigate toward
  File.
• From there, select Open or Restore Company.
• Next, choose the Restore a Backup Copy tab.
• Click on the Next tab and select Local
  Backup.
• Once done, again choose Next.
• Find your computer device file backup.
• Choose a folder to save it.
• Select Open and Save
• Method 4 QB File Doctor Tool
• Go to the official website of Intuit and install
  QuickBooks File Doctor Tool
• Save it in a location where it can be accessed
  quickly
• Locate the QuickBooksToolHub.exe file and
  proceed with installing it

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• Select or find the file you think is corrupted.
• Run the tool and detect the possible errors and
  its diagnosis
• Once done, recheck the QB application for
  QuickBooks error c51
• Method 5 Opening Deleted Transactions
• Launch the QB application and go to Settings.
• Choose the Audit Log and select the
  transaction's user, date, or log.
• Click on the Apply tab and find the deleted
  transactions. Or else, find them using the
  shortcut key Ctrl F and inputting Delete.
• Go to the History tab and choose View. Here,
  youll see the data by selecting Event.
• Again input the transactions.
• Locate the New and click on the
  Invoice/Transaction tab
• Navigate Customer tab and select the customer
  whom the company wants to make the transaction
• Enter the details as prompted
• Proceed by saving it by Save and Send or Save
  and Close.

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• Method 6 Verifying Internet Connection Settings
• Disconnect and connect the internet again on your
  system
• Restrict internet access to a limited number of
  users
• Reboot your Wi-Fi router and again connect to it
• Make sure your system is not connected to public
  network access as it may lead to damaging your
  computer.
• Once checked the listed aspects, contact your
  service provider to come to a resolution.
• Final Words
• We hope you have learned something from this blog
  and that you can now resolve the QuickBooks error
  C51 however, if you cannot execute these
  methods, contact with QuickBooks error support
  number 1-800-615-2347 to fix the error soon.