QuickBooks Error Code C=3

QuickBooks Error C=3

QuickBooks Desktop software is accounting software that assists in the management of a company’s books and finances. The software has been in the market for the last 38 years and has been updated regularly to stay up with changing regulations and times. All types of bookkeepers and accountants have consistently praised QuickBooks Desktop software. Because of its stability and ease of use, the software has become the number one option for small and mid-size businesses, and freelancers have recently begun to use it as well.

One of the key reasons for it being one of the most popular accounting software in the western market is that it is completely loaded with various functions and features that practically cover all elements of bookkeeping and accountancy. You may have noticed that we have only discussed the positives and benefits of the QuickBooks Desktop Software up to this point, but you should be aware that the accounting software’s single negative is that it is prone to various errors and issues.

QuickBooks Error Code C3 is one of the errors of QuickBooks Desktop software that the users have lately reported. In this blog, you will learn more about QuickBooks Issue Code C3 and some key factors that may assist you in resolving the error, as well as some manual solutions, so please read the whole blog to the conclusion.

What is QuickBooks Error C=3

When you start the QuickBooks desktop, you’ll almost always encounter the QuickBooks error number C=343 with the following message: In QuickBooks, an error has happened. To try again, please restart QuickBooks.

You may not be able to access the company file as a result of this error, and QuickBooks may not react. It should be mentioned that you must maintain track of software updates regularly to prevent any more errors. There are several explanations for such an error, which we shall examine later in this blog.

To understand any error, you must first understand the fundamental reasons for the error, also known as the root causes. To read the root causes, go to the section below, which will provide you with an overview of the issue.

Reasons for QuickBooks Error Code C=3

The fundamental causes, also known as root causes, will provide you with an understanding of the actual origin of the error or issue that you are experiencing. The following are the primary determinants reasons of QuickBooks Error Code C3:

  • If the file is damaged, it may be viewed.
  • If the file isn’t there.
  • When the file is unregistered, an identical error appears.
  • Furthermore, if you are not using the most recent version of QuickBooks accounting software, you may see such an issue.
  • If the Microsoft core XML services.dll files are missing, damaged, or unregistered.

These are the primary reasons for QuickBooks Error Code C3. You should study all of these reasons and then go into your computer to see which one is causing your QuickBooks Error Code C3.

Now that you know the specific reason for your QuickBooks Error C3, you must read the following part, which will guide you through the process of resolving the error using some of the manual solutions detailed in it, so please read it carefully.

How to solve QuickBooks Error C=3

It is a given that QuickBooks Desktop software has always been prone to errors and issues, and in such situations, you can use tools like QuickBooks File Doctor and QuickBooks Tool Hub, both of which are available on the Intuit official website. You can also resolve this error by using some of the manual solutions listed below:

Solution 1: QuickBooks should be run in safe mode: Running QuickBooks in the safe Solution can help you to fix the error, to do that you need to follow the steps that are given below:

  • Double-click the QuickBooks icon while holding down the Ctrl key.
  • With numerous company files, QuickBooks will launch in safe mode.
  • Additionally, click on the file.
  • Select the open file and begin browsing the contents.
  • If QuickBooks opens but the new company file does not, you must now run validate and rebuild data.
  • Choose a file for this.
  • Go to the file operations section.
  • Make sure you’ve rebuilt everything.

These are the steps that will allow you to run QuickBooks in safe mode, which may assist you to resolve the QuickBooks Error Code C3; nevertheless, if the issue remains, you must go to the following solution.

Solution 2: MSXML.dll files should be uninstalled and reinstalled: Uninstalling and reinstalling the MSXML.dll files can help you to fix this error and to do that you need to follow the steps that are given below:

  • This technique necessitates first opening the download page and then searching for the files.
  • The files were then downloaded to the system.
  • The next step is to install these files on your computer, then double-click the MSXML.MSI file and follow the thorough instructions on the screen.
  • The last option is to restart QuickBooks and see whether the error still exists.

These are the steps to correctly reinstall the MSXML.dll files and repair QuickBooks Error C3. If the error still persists, try the following solution.

Solution 3: Update QuickBooks to the most recent version: It is critical to upgrade your software to the most recent version available if it is not already. You must first upgrade QuickBooks to the most recent version before reopening it. A simple update, which includes numerous repairs and enhancements, may often solve the error.

  • You must update QuickBooks by selecting the Update Now button.
  • If there are any updates available, download and install them.
  • Restart the computer as well.
  • Finally, open QuickBooks to see whether the error has been fixed.

Solution 4: Using the tool to clean install: You may use the clean install tool if none of the previous solutions worked for you. It is advised that you keep a backup of the data file in a safe location. Then run the utility to correct the issue. The following are the measures to take:

  • To begin, remove the QuickBooks desktop from your computer.
    • RUN may be seen by pressing the Windows + R keys together.
    • Go to the control panel and click the OK button.
    • The next step is to choose the tab for software and features.
    • Select QuickBooks from the list of apps and then uninstall.
    • To complete the procedure, just follow the steps.
  • After that, The installation directories should be renamed.
    • You may use the QuickBooks clean install software to clean up your system.
    • Then run the clean install exec for QuickBooks.
    • Choose I accept the licensing agreement as stated.
    • Then, under the proceed tab, choose the QuickBooks desktop version.
    • Finally, press the OK tab when the message “QuickBooks is ready to complete a clean install” appears.
    • Now, manually rename the QuickBooks desktop installation directories.

Solution 6: Save MSXML.DLL files: MSXML.DLL files are third-party apps that can work seamlessly with QuickBooks. Let’s have a look at the steps for saving these files:

For 32-bit

  • You must open the run command window if you are using the 32-bit framework.
  • Go to the search box and type in Regsvr32 MSXML.dll.
  • MSXML.DLL files should be saved – screenshot.
  • The next step is to choose the OK tab.
  • You will also not get a popup indicating that the registration was successful.
  • Restart the software and save your modifications.

For 64-bit

  • The Run command window is necessary for the 64-bit framework.
  • Go to the search box and type anything in. Then, to open the command prompt window, type cmd into the text box.
  • Press the enter key.
  • Fill in the command CD windows-syswow64, then click the OK button.
  • The next step is to type Regsvr32 MSXML3.dll and press enter.
  • Fill in Regsvr32 MSXML4.dll and press the enter key once more.
  • Both.dll files should now be correctly registered.
  • To complete the procedure, restart the QuickBooks software.

Solution 7: Manually correct the issue: You may manually fix the issue by following the instructions below:

  • When using QuickBooks accounting software, you must first re-register any necessary files or folders.
  • Restart the QuickBooks software to see whether the issue has been resolved.
  • If you keep getting this issue, you’ll need to download and reinstall Microsoft’s code XML services.
  • Once you’ve completed all of the above steps, the QuickBooks Error C=343 should no longer be an issue for you.
How To Get Support For QuickBooks Error C=3?

If you are still unable to resolve QuickBooks Error C3 after attempting to use all of the steps and tools listed above, you may contact one of our Customer Care specialists at QuickBooks Error Support. These professionals have undergone extensive training and have at least 5 years of experience dealing with this accounting software. You may also speak to them directly, which will save you a lot of time, and as a wise person once said, “time is money,” and by doing so, you will join the ranks of those wise individuals.


To summarise, it is known that QuickBooks Desktop software has been one of the most popular bookkeeping and accounting software for the last three decades, but it is also a given that it is prone to many errors and issues, one of which is QuickBooks Error C3.

This blog aims to help you understand the many aspects of QuickBooks Error C3 so that if you have the same error, you may read the whole blog and assist yourself in resolving it. I hope that my blog has been of some use to you and that your time has been well spent.

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